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1.
Artigo em Inglês | IMSEAR | ID: sea-25639

RESUMO

From the stool samples collected from diarrhoeic and healthy handlers of domestic animals different Campylobacter species were isolated in 16.6 and 21.1 per cent respectively. Both biotypes 1 and 2 were identified. All the 10 strains of C. jejuni were found to be enterotoxigenic or potentially enterotoxigenic in the ligated ileal loop of albino rats.


Assuntos
Criação de Animais Domésticos , Animais , Animais Domésticos , Campylobacter/isolamento & purificação , Infecções por Campylobacter/epidemiologia , Diarreia/microbiologia , Enterotoxinas/biossíntese , Humanos , Incidência , Doenças Profissionais/epidemiologia , Ratos
2.
Indian J Public Health ; 1991 Jul-Sep; 35(3): 83-5
Artigo em Inglês | IMSEAR | ID: sea-109836

RESUMO

The prevalence of different types of hepatitis virus was estimated in 185 hospitalized jaundiced patients. It was found that 41.08% were positive for HBs Ag by ELISA method. The jaundiced group was also tested for IgM antibody and for total antibodies (IgG and IgM) to HAV infection by ELISA method and 5.40% were found to be positive. All patients in the jaundiced group had serum bilirubin above normal values. It was, therefore, assumed that the rest 52.92% were suffering from Non A Non B virus infection.


Assuntos
Adolescente , Adulto , Infecção Hospitalar/diagnóstico , Feminino , Hepacivirus/imunologia , Hepatite A/diagnóstico , Anticorpos Anti-Hepatite/análise , Hepatite B/diagnóstico , Vírus da Hepatite B/imunologia , Hepatite C/diagnóstico , Hepatovirus/imunologia , Humanos , Imunoglobulina G/análise , Imunoglobulina M/análise , Índia/epidemiologia , Icterícia/diagnóstico , Masculino , Pessoa de Meia-Idade
4.
Artigo em Inglês | IMSEAR | ID: sea-112307

RESUMO

Of 413 samples comprising 200 goat meat, 100 pig's faeces, 50 faeces of slaughtered-house workers, 13 faeces and 50 nailwashings of goat meat handlers collected from different shops of Calcutta Corporation, 25 (6.05 per cent) yielded 13 serotypes of salmonellae. The commonest serotypes was S. newport (24 per cent), followed by S. enteritidis (12 per cent), S. anatum (12 per cent) and S. typhimurium. Isolation rate of salmonellae was 12 (6 per cent) from goat meat, 10 (10 per cent) in pig's faeces and 3 (6 per cent) in nailwashings. S. newport (50 per cent) in goat meat and S. anatum (30 per cent) in faecal contents of pigs were the predominant serotypes. None of the faecal samples of goat meat handlers and slaughtered-house workers yielded salmonellae.


Assuntos
Matadouros , Animais , Fezes/microbiologia , Microbiologia de Alimentos , Cabras/microbiologia , Humanos , Carne , Doenças Profissionais/epidemiologia , Salmonella/isolamento & purificação , Infecções por Salmonella/epidemiologia , Suínos/microbiologia
5.
Artigo em Inglês | IMSEAR | ID: sea-112123

RESUMO

A seroepidemiological study of Japanese encephalitis (JE) in Dimapur, Nagaland was carried out following an outbreak of the disease between July, 1985 and February, 1986. Altogether 50 persons were affected with 30 (60 per cent) deaths. The attack and death rates per 1000 were more in Nagas viz. 0.55 and 0.34 than non-Nagas viz. 0.33 and 0.20 respectively. All ages and both sexes were affected. Of the nine mosquito species encountered Culex vishnui showed the highest density (44.5/MH). Culture of mosquito pool did not yield any viral agent. A total of 311 serum samples comprising 95 humans, 166 animals and 50 birds were tested for the presence of haemagglutination inhibition (HI) antibodies against Chikungunya and three flavirus antigens, viz. JE, WN and DEN-2. The overall flavivirus HI antibody in humans was positive in 26 (27.3 per cent) almost identical to JE antibody prevalence. The per cent positivity of HI antibodies to JE, WN and DEN-2 were 42.2 per cent, 22.2 per cent and 13.3 per cent in the affected and 14.2 per cent, 10 per cent and 6 per cent in the unaffected area. The activity of Alpha (Chikungunya) virus though very low was significantly higher (chi 2 = 5.57) in the affected area. The prevalence of JE antibody was 77.7 per cent in dogs, 52 per cent in cattle, 34 per cent in pigs and 21.1 per cent in goats. Of the five species of birds, flavivirus and JE antibodies were detected in 21.4 per cent pigeons and 22.2 per cent heron egrettes. Neutralisation test established the distinct role of JE virus over other related flavivirus antigens.


Assuntos
Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Surtos de Doenças , Encefalite Japonesa/epidemiologia , Feminino , Testes de Inibição da Hemaglutinação , Humanos , Índia/epidemiologia , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Estudos Soroepidemiológicos
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