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1.
Article in Russian | MEDLINE | ID: mdl-30695483

ABSTRACT

AIM: Analyze epizootologic manifestations of natural-focal infections (NFI) in the south of Russia in 2015. MATERIALS AND METHODS: Reports provided by administrations of Federal Service of Surveillance for Protection of Consumers Rights and Human Welfare, Centers of Hygiene and Epidemiology, Research Institutes for Plague Control and Station for Plague Control were used. Data processing was carried out using Excel program. RESULTS: A total of 37-738 samples of field material were studied, most of those - for tularemia (8268), Crimea hemorrhagic fever (6894) and West Nile fever (4875). Causative agents of 15 nosologic forms of NFI were detected during epizootologic examination of the territory of south of Russia, predominating amount of positive samples was obtained during study of material for tick-borne borreliosis (612), Crimea hemorrhagic fever (279) and tularemia (237). CONCLUSION: Analysis of epizootologic situation on natural- focal infections in the south of Russia gives evidence on the increase of activity of natural foci of bacterial (tularemia, tick-borne borreliosis), rickettsia (tick-borne spotted fevers) and viral infec- tions (Crimea hemorrhagic fever, West Nile fever, tick-borne viral encephalitis), and thus problems of prophylaxis of natural-focal infectious diseases and constant monitoring of natural foci in su- bjects of Southern, North-Caucasian and Crimea federal districts are of particular importance.


Subject(s)
Epidemiological Monitoring , Hemorrhagic Fever, Crimean/epidemiology , Tick-Borne Diseases/epidemiology , Tularemia/epidemiology , West Nile Fever/epidemiology , Animals , Humans , Russia
2.
Article in Russian | MEDLINE | ID: mdl-30695484

ABSTRACT

AIM: Determination of the degree of phylogenetic relationship of Yersinia pestis strains iso- lated from the territories of natural foci of plague from the Caucasus using VNTR-typing by 25 loci (MLVA25). MATERIALS AND METHODS: 26 strains of Y pestis from Russian natural foci of the Caucasus were used in the study. 25 loci of tandem repeats in Y pestis genome by Le Fleche scheme were used for execution of multi-locus VNTR-analysis. Deciphering of nucleotide sequences was carried out in automatic sequencer ABI 3130 Genetic Analyser. Analysis of confinement of clusters to certain territories, objects and time of isolation of strains was carried out. using Arc GIS 10.1 program. RESULTS: Groups of MLVA25-types of various levels of discrimination were formed: clusters, groups and subgroups. Clusters were formed by strains ofvarious taxonomic membership: main and subspecies of Y pestis. Subgroups reflect membership of strains in certain foci, and MLVA25-types - the degree of genetic relationship. CONCLUSION: Genetic <> of plague causative agents obtained using MLVA25-types circulating in various natural-focal territories allow to solve problems ofboth theoretical and practical character: from interpretation of microevolution processes to the search of the source of infection and ways of its spread during possible epidemic complications.


Subject(s)
Genetic Loci , Phylogeny , Plague/genetics , Yersinia pestis , Animals , Humans , Plague/epidemiology , Russia/epidemiology , Yersinia pestis/classification , Yersinia pestis/genetics , Yersinia pestis/isolation & purification
3.
Article in Russian | MEDLINE | ID: mdl-30695486

ABSTRACT

AIM: Retrospective analysis of biological and molecular-genetic properties of strains - cau- sative agents of cholera - isolated in the period of epidemics in Ukraine in 1994 - 2011. MATERIALS AND METHODS: Phenotypic and molecular-genetic properties of 5 strains of cholera vibrios, biovar El Tor isolated from cholera patients and 4 strains from the environmental samples were studied using traditional bacteriological and genetic methods. Detection of DNA for toxigenicity genes and genes characteristic for El Tor and classic biovar were carried out by PCR method using rea- gent kits <> and <> an experimental test system). Sequencing of genomes of 4 strains of causative agents of cholera was carried out in genetic analyzer Ion Torrent Personal Genome Machine. RESULTS: Strains of cholera vibrios identified in Ukraine in 1994 and 2011 such as a typical toxigenic biovar El Tor (V cholerae Ο1, El Tor, Ogawa, Hly-, ctxA+, tcpA+) contain genes ofthe classic cholera vibrio in their genome and are genetically altered (hybrid) variants of cholera vibrio biovar El Tor producing enterotoxin CTI and having increased virulence, that was clinically manifested in predominance of severe forms of cholera in Mariupol of Donetsk region in 2011. Genome sequences ofthe 4 studied strains were deposited into the international database DDBJ/EMBL/GenBank. CONCLUSION: The studied isolates were established to belong to a clade of strains associated with cholera outbreaks in Haiti and Asian continent, from where genetically altered strains of cholera vibrios biovar El Tor were introduced to Haiti in 2010, based on results of comparison of genomic sequences of the studied strains with genomes of V cholera strains from the international database GenBank.


Subject(s)
Cholera/genetics , DNA, Bacterial/genetics , Databases, Nucleic Acid , Genes, Bacterial , Sequence Analysis, DNA , Vibrio cholerae , Cholera/epidemiology , Humans , Prohibitins , Ukraine/epidemiology , Vibrio cholerae/genetics , Vibrio cholerae/isolation & purification
4.
Article in Russian | MEDLINE | ID: mdl-27228673

ABSTRACT

AIM: Analysis of epidemic manifestations of natural-foci infections (NFI), clarification of spectrum of their causative agents, determination of epizootic activity of natural foci in the Crimea Federal District (KFD). MATERIALS AND METHODS: Epizootologic examination of 10 administrative districts of KDF was carried out. 291 pools (2705 specimens) of ixodes ticks and 283 samples of organs of small mammals were studied by PCRmethod for the presence of DNA/RNA of causative agents of a number of NFI. RESULTS: Morbidity by NFI in KFD was registered by 6 nosologies: Lyme borreliosis, Marseilles fever, leptospirosis; tularemia, intestine yersiniosis and tick-borne viral encephalitis, wherein, transmissive infections made up 91.6%. Circulation of causative agents of Crimea hemorrhagic fever, Q fever, group of tick-borne spotted fever, Lyme borreliosis, human granulocytic anaplasmosis, human monocytic ehrlichiosis, hemorrhagic fever with renal syndrome, West Nile fever, tularemia and leptospirosis was established. CONCLUSION: Due to activity of natural foci of NFI further monitoring of epidemiologic and epizootologic manifestations of these infections in the Crimea, including using genetic methods of analysis, is necessary for ensuring sanitary-epidemiologic welfare of KFD population.


Subject(s)
Focal Infection/epidemiology , Lyme Disease/epidemiology , Tick-Borne Diseases/epidemiology , Viruses/isolation & purification , West Nile Fever/epidemiology , Animals , DNA, Viral/genetics , DNA, Viral/isolation & purification , Disease Reservoirs , Focal Infection/genetics , Focal Infection/virology , Humans , Ixodes/pathogenicity , Ixodes/virology , Lyme Disease/genetics , Lyme Disease/virology , Mammals/virology , Russia , Tick-Borne Diseases/genetics , Tick-Borne Diseases/virology , Viruses/genetics , Viruses/pathogenicity , West Nile Fever/genetics
5.
Article in Russian | MEDLINE | ID: mdl-27228674

ABSTRACT

AIM: Analysis of epidemiologic features of a norovirus outbreak in Alagir city of the Republic of North Ossetia-Alania and effectiveness of measures of its liquidation. MATERIALS AND METHODS: Data from maps-schemes of water supply system of Alagir city and statistical documentation of Centre of Hygiene and Epidemiology in the Republic of North Ossetia-Alania were used in the study. Indication of norovirus in clinical material and water samples was carried out bypolymerase chain reaction method. RESULTS: Etiological agent of outbreak disease was established--genotype II norovirus. Realization of fecal-oral mechanisms of water transmission pathway of the causative agent of norovirus infection was detected. Conditions facilitating emergence and development of the indicated outbreak were determined--non-satisfactory sanitary-technical condition of water. supply system of the city. CONCLUSION: The studied water outbreak of norovirus infection was caused by GII.17 genotype virus, that currently gradually displaces GII.IV genotype, and was characterized by an intensive start, involvement of all population age groups into the epidemic process (with primary infection of adults), low family focality, predominance of average severity disease forms in the clinical presentation. The counter-epidemic measures carried out ensured rapid localization and liquidation of the norovirus infection outbreak.


Subject(s)
Caliciviridae Infections/epidemiology , Drinking Water/virology , Epidemics , Norovirus/pathogenicity , Caliciviridae Infections/virology , Disease Outbreaks , Feces/virology , Humans , Norovirus/genetics , Norovirus/isolation & purification
6.
Mol Gen Mikrobiol Virusol ; 34(1): 37-40, 2016.
Article in Russian | MEDLINE | ID: mdl-27183721

ABSTRACT

Comparative analysis of the MLVA25- and MLVA7-typing ability to evaluate focal belonging of Y. pestis strains by the example of bv. medievalis isolates from the Central-Caucasian highland natural plague focus was carried out. The MLVA25-types of-82 isolates from this area were determined and included into the database containing information on 949 Y. pestis strains from other natural foci of Russia and other countries. Categorical-UPGMA dendrograms were created on the bases of the data concerning all 25 VNTR loci or only seven of them, which were recommended by the experts of the Russian Research Anti-Plague Institute "Microbe" for differentiation of the Y. pestis strains according to their affiliation to specific foci. The obtained data indicated greater possibility of diagnostic mistakes in the case of the MLVA7-typing and supported expediency of division of the Central-Caucasian highland natural plague focus into two sub-foci.


Subject(s)
Databases, Nucleic Acid , Genetic Loci , Genotype , Minisatellite Repeats , Yersinia pestis/genetics , Russia , Yersinia pestis/isolation & purification
7.
Article in Russian | MEDLINE | ID: mdl-27029113

ABSTRACT

AIM: Carry out comparative analysis using time-of-flight mass-spectrometry with matrix laser desorption/ionization (MALDI-TOF MS) of protein profiles of brucellosis causative agents (Brucella melitensis Rev-1 and Brucella abortus 19BA), cultivated in various nutrient media: Albimi agar, brucellagar and erythrit-agar. MATERIALS AND METHODS: Vaccine,strains: Brucella melitensis Rev-1 and Brucella abortus 19BA. Protein profiling in linear mode on Microflex "Bruker Daltonics" MALDI-TOF mass-spectrometer. RESULTS: A number of characteristic features of brucella mass-spectra was detected: in particular, preservation of the total qualitative composition of protein profiles of cultures and significant differences in the intensity of separate peaks depending on the nutrient medium used. CONCLUSION: Based on the analysis of the data obtained, use of Albimi agar as the nutrient medium for preparation of brucella culture samples for mass-spectrometric analysis was shown to be optimal.


Subject(s)
Bacterial Proteins/isolation & purification , Brucella abortus/drug effects , Brucella melitensis/drug effects , Culture Media/pharmacology , Agar/chemistry , Agar/pharmacology , Bacterial Proteins/biosynthesis , Brucella abortus/growth & development , Brucella abortus/metabolism , Brucella melitensis/growth & development , Brucella melitensis/metabolism , Culture Media/chemistry , Metabolome/drug effects , Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
8.
Mol Gen Mikrobiol Virusol ; 34(2): 76-80, 2016 Sep.
Article in English, Russian | MEDLINE | ID: mdl-30380211

ABSTRACT

This work represents the results of the genetic identification of the Crimean-Congo hemorrhagic fever virus (CCHF virus) strains isolated in the Crimean Federal District in conducting the epidemiological survey of the imported case of CCHF from Crimea in 2015. One sample of the serum from a patient and 61 pools (506 specimens) of ticks collected during the epizootiological survey of 6 administrative districts of the Crimean Federal District were tested using PCR for the presence of the CCHF virus RNA. RNA of the CCHF virus was detected in serum from a patient and 10 samples of ticks. The genetic identification of the CCHF virus was performed by sequencing the virus genome S-, M-, and L-segments. The result of the molecular-genetic analysis revealed a high degree of identity between the samples of the CCHF virus in human serum and three samples of ticks and their belonging to a new genetic Crimea subclade (Vd) of the genotype Europe 1. Whole genome sequencing of two samples of CCHF virus belonging to the Crimea subgroup (Vd) was performed. CCHF virus variants of the Crimea subclade (Vd) of the Europe- lgenotype were described for the first time. These variants were endemic to the territory of the Crimean peninsula.


Subject(s)
Genetic Variation , Genome, Viral , Hemorrhagic Fever Virus, Crimean-Congo/genetics , Phylogeny , Adult , Female , Hemorrhagic Fever Virus, Crimean-Congo/isolation & purification , Humans , Russia
9.
Genetika ; 52(10): 1169-75, 2016 Oct.
Article in Russian | MEDLINE | ID: mdl-29369587

ABSTRACT

This paper investigates the structure of androgen receptor gene (AR) in the Russian breed of Dzhalginsky Merino sheep. Polymorphisms of the gene were detected using NimbleGen sequencing technology (Roche, United States). Eight single nucleotide polymorphisms (SNPs) and two insertions were detected. Five of these SNPs (c.335T>G, c.339G>A, c.342T>C, c.2491-327T>A, and c.2491-325A>T) and both insertions were identified for the first time. Three SNPs and the insertions are located in the coding part of exon. Insertion c.336_337 is found in most of the animals of this breed and can be used as a genomic marker of the breed. Animals with mutant variant of SNP c.1496+15T>C have significantly lower live weight and body size compared with the wild type genotype. This SNP can be used as a genetic marker of meat production in marker-assisted selection.


Subject(s)
Breeding , Polymorphism, Single Nucleotide , Receptors, Androgen/genetics , Sheep/genetics , Animals , Russia
10.
Article in Russian | MEDLINE | ID: mdl-30695448

ABSTRACT

AIM: Conducting epizootological and epidemiological zoning of the territory ofNorth Caucasus -Federal Region (NCFR) by the degree of non-welfare by anthrax using Arc GIS10 program. MATERIALS AND METHODS: 2 parameters were used during zoning ofthe territories of subjects of NCFR (Stavropol Region, Karachaevo-Cherkessia, Kabardino-Balkaria, Chechen, North Ossetia-Alania, Ingushetia, Dagestan Republics) by non-welfare by anthrax: integrated parameter of infection risk and epizootics risk. The parameters were input into the Arc GIS 10 program. Materials on infection of humans and animals with anthrax for the last 55 (1960 - 2014) years were used. RESULTS: The regions of the territories of NCFR subjects were distributed by non-welfare degree into 4 groups: group 1 - regions with a low degree of non-welfare, group 2 - regions with an average degree of non-welfare, group 3 - regions with a high degree of non-welfare, group 4 - regions with a very high degree-of non-welfare. CONCLUSION: Taking into account high parameters of spread and inten- sity of epizootological and epidemiological situation, regions of groups 3 and 4 could be classified as endemic territories for anthrax, whereas all the other regions could be attributed to the zone of sporadic infection manifestation.


Subject(s)
Anthrax/epidemiology , Geographic Information Systems , Female , Humans , Male , Russia
11.
Article in Russian | MEDLINE | ID: mdl-30695457

ABSTRACT

AIM: Analysis ofresults of epidemiologic monitoring especially dangerous, natural-foci and other infectious diseases, asill as epizootologic activity of natural foci of infection on,the terri- tory, of city-resort Sochi. MATERIALS AND METHODS: Laboratory studies of 820. samples by PCR; im- mune- and bacteriologic methods were carried out, among those 344 - clinical material, 12 - water from open bodies and 321 - field material. Molecular-genetic identification of-143 strains of Vibrio-cholerae, isolated from open water bodies of city-resort Sochi, was-carried out,. RESULTS: Circulation of causative agents of Q fever, tularemia and hemorrhagic fever with renal syndrome of Dobrava-Adler genotypes was established, -as well as rickettsia of tick spotted fever group Predomination of rotaviruses (70.9%) was detected during study of samples of clinical material in etiologic structure of sporadically emerging acute intestine infections. Relatively high temperature values of river water during summer months (from 18, to 30 C), exit of sulfide mineral waters into the riverbed, that create-alkaline medium, seasonal reduction of river debit and speed of water current facilitated sustenance of contamination of water of Agura river by V.cholerae. CONCLUSION: Activity of natural foci of the infectious disease and contamination of Agura iver by V.cholerae Ο1, (atoxigenic) gives evidence on the necessity of constant control of epidemiologic situation by dangerous and natural-foci infectious diseases on the territory of city-resort Sochi, as well as study regional features, of their causative agents, including using genetic methods.


Subject(s)
Communicable Disease Control , Communicable Diseases/epidemiology , Communicable Diseases/microbiology , Epidemiological Monitoring , Water Microbiology , Communicable Diseases/genetics , Humans , Russia
12.
Gig Sanit ; 94(2): 5-9, 2015.
Article in Russian | MEDLINE | ID: mdl-26155633

ABSTRACT

In the paper there are presented the basic principles of the organization of activities for the assurance ofthe sanitary- epidemiological welfare in the period ofpreparation and hosting of the XXII Olympic Winter Games and XI Paralympic Winter Games of 2014 in the Resort City of Sochi. There are considered features of the organization ofepidemiological surveillance in the pre-Olympic period, the period of the games and the state of the morbidity rate in the region after the Olympics. There are presented data on certain directions of the work of organs and institutions of the Federal Service for Supervision of Consumer Rights Protection and Human Welfare on the disease control of the event.


Subject(s)
Epidemiology/organization & administration , Health Resorts , Infection Control/organization & administration , Sanitation/methods , Seasons , Sports , Humans , Russia
13.
Gig Sanit ; 94(2): 13-5, 2015.
Article in Russian | MEDLINE | ID: mdl-26155635

ABSTRACT

There is presented the analysis of activities of the Federal Service for Supervision of Consumer Rights protection and Human Welfare to ensure adequate conditions of accommodation of the participants, attendants and guests of the XXII Olympic Winter Games and XI Paralympic Winter Games of 2014 in the Resort city of Sochi according to regulated requirements. There were detected ways of the strengthening the supervision for the quality of the accommodation during mass sports activities for the assurance of the rights for consumers.


Subject(s)
Health Resorts , Hygiene , Seasons , Sports , Humans , Quality Control , Retrospective Studies , Russia
14.
Article in Russian | MEDLINE | ID: mdl-26016355

ABSTRACT

This paper considers the experience of genotyping and sequencing technologies in laboratories of specialized anti-epidemic team (SAET) during the XXII Olympic Winter Games and XI Paralympic Winter Games of 2014 in Sochi. The work carried out during the pre-Olympic period on performance of readiness by SAET for these studies is analyzed. The results of genotyping strains of pathogens during the Olympic Games are presented. A conclusion about the effectiveness of the use of molecular genetic techniques in terms of SAET is made.


Subject(s)
Civil Defense/organization & administration , Communicable Diseases/diagnosis , Environmental Health/organization & administration , Epidemiological Monitoring , Molecular Typing/methods , Public Health Surveillance/methods , Bioterrorism/prevention & control , Environmental Health/methods , Humans , Mass Behavior , Russia , Sports
15.
Article in Russian | MEDLINE | ID: mdl-26016354

ABSTRACT

To improve the sanitary and epidemiological surveillance at the Olympic Games has developed a system of GIS for monitoring objects and situations in the region of Sochi. The system is based on software package ArcGIS, version 10.2 server, with Web-java.lang. Object, Web-server Apach, and software developed in language java. During th execution of the tasks are solved: the stratification of the region of the Olympic Games for the private and aggregate epidemiological risk OCI various eti- ologies, ranking epidemiologically important facilities for the sanitary and hygienic conditions, monitoring of infectious diseases (in real time according to the preliminary diagnosis). GIS monitoring has shown its effectiveness: Information received from various sources, but focused on one portal. Information was available in real time all the specialists involved in ensuring epidemiological well-being and use at work during the Olympic Games in Sochi.


Subject(s)
Environmental Health/organization & administration , Epidemiological Monitoring , Medical Informatics/organization & administration , Public Health Surveillance/methods , Software , Computer Security , Environmental Health/methods , Geographic Information Systems , Humans , Mass Behavior , Russia , Sports
16.
Article in Russian | MEDLINE | ID: mdl-26016353

ABSTRACT

Official statistics of Republican SES on infectious diseases are used. The characteristics of the current epidemiological situation in the Republic of Abkhazia is given. The analysis of infectious dis- eases from 2012 to 2014 is presented. It was found that the most widespread infectious diseases are acute respiratory viral and acute intestinal infection. During the analyzed period in the country outbreaks of dysentery, whooping cough and measles were reported. Epidemic threat is the presence of active natu- ral foci of infectious diseases and permanently disadvantaged anthrax points on the territory ofAbkhazia. Activities carried out by the Ministry of Health of the Republic of Abkhazia with the help and active participation of Rospotrebnadzor contributed stabilization the epidemiological situation.


Subject(s)
Anthrax/prevention & control , Disease Outbreaks , Dysentery/epidemiology , Focal Infection/prevention & control , Measles/epidemiology , Whooping Cough/epidemiology , Acute Disease , Adult , Child , Epidemiological Monitoring , Humans , Russia/epidemiology
17.
Article in Russian | MEDLINE | ID: mdl-25842952

ABSTRACT

AIM: Improvement of laboratory diagnostics of cholera taking into the account appearance of hybrid variants of cholera vibrio El Tor biovar in the 1990s. MATERIALS AND METHODS: Phenotypic and molecular-genetic properties of typical toxigenic (151 strains) and hybrid (102 strains) variants of El Tor biovar cholera vibrios, isolated in the Caucuses in 1970-1990 and 1993-1998, respectively, were studied. Toxigenicity gene DNA fragments, inherent to El Tor biovars or classic, were detected by using a reagent kit "Genes of Vibrio cholerae variant ctxB-rstR-rstC, REF" developed by us. RESULTS: Reagent kit "Genes of V. cholerae variant ctxB-rstR-rstC, REF" is proposed to be used for laboratory diagnostics of cholera during study of material from humans or environmental objects and for identification of V. cholerae 01 on genome level in PCR-analysis as a necessary addition to the classic scheme of bacteriological analysis. CONCLUSION: Laboratory diagnostics of cholera due to genetically altered (hybrid) variants of cholera vibrio El Tor biovar is based on a complex study of material from humans and environmental objects by routine bacteriologic and PCR-analysis methods with the aim of detection of gene DNA fragments in the studied material, that determine biovar (classic or El Tor), identification of V. cholerae O1 strains with differentiation of El Tor vibrios into typical and altered, as well as determination of enterotoxin, produced by the specific cholera vibrio strain (by the presence ctxB(El) or ctxB(Cl) gene DNA fragment, coding biosynthesis of CT-2 or CT-1, respectively).


Subject(s)
Cholera/diagnosis , Cholera/microbiology , Clinical Laboratory Techniques/methods , Vibrio cholerae/isolation & purification , Bacterial Typing Techniques , Cholera/genetics , Cholera Toxin/genetics , Cholera Toxin/isolation & purification , Genotype , Humans , Vibrio cholerae/genetics
18.
Article in Russian | MEDLINE | ID: mdl-25842961

ABSTRACT

The article presents data on the implementation of a set of preventive activities to ensure sanitation and epidemiological welfare during the XXII Olympic Winter Games and XI Paralympic Winter Games 2014 in Sochi. The importance of monitoring and evaluation of epidemiological risk, as the basis of formation of preventive measures is noticed. The questions of specific, and nonspecific prevention of infectious diseases, especially the work done during the pre-Olympic period are considered. The importance of specifically developed regulatory basis, and health education are emphasized. The conclusion about the effectiveness of the measures taken, which led to a significant reduction of infectious diseases in the region is made.


Subject(s)
Communicable Diseases/epidemiology , Sports , Anniversaries and Special Events , Humans
19.
Article in Russian | MEDLINE | ID: mdl-25842960

ABSTRACT

The paper generalizes the experience of formation of protection system against biological threats and ensuring sanitary and epidemiological welfare during preparation for the XXII Olympic Winter Games and XI Paralympic Winter Games of 2014 in Sochi. The basic steps for creating this system, since 2007, participation and role of Rospotrebnadzor in this process are shown. The paper deals with such questions as the governmental and administrative structures with federal agencies interaction, development of a regulatory framework governing the safety system of the Olympic Games, development of algorithms of information exchange and management decisions, biological safety in developing infrastructure in Sochi.


Subject(s)
Safety , Sports , Anniversaries and Special Events , Biological Warfare , Humans
20.
Article in Russian | MEDLINE | ID: mdl-25842963

ABSTRACT

To assess the epidemiological risk of introduction of serious infectious diseases in the pre-Olympic period defined list of dangerous and exotic infections and held assessment of potential danger threatening. Initial external information to assess the potential risk of skidding were reports, forecasts, posted on the official websites. The risk of skidding and epidemiological complications conditionally designated as high, moderate and minimal risk importation of measles virus-Rate was considered as high. In confirmation of the forecast for the period of the Olympic Games in Sochi have been registered about 100 cases of measles. Moderate risk of importation was determined for poliomyelitis due to wild poliovirus, Lassa fever, cholera, plague, and the minimal--for Dengue fever, yellow fever, the Middle East and respiratory syndrome, diseases caused by viruses Marburg and Ebola. Based on of analysis of previous Olympic Games and subsequent co-events related to the activity of the infectious diseases in the world, mate-cluded that even a slight risk of importation of infectious diseases requires maximum alertness and readiness to conduct adequate epidemiological issues incorporated.


Subject(s)
Communicable Disease Control/methods , Communicable Diseases/diagnosis , Communicable Diseases/epidemiology , Anniversaries and Special Events , Communicable Diseases/microbiology , Humans , Risk
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