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1.
Chinese Journal of Schistosomiasis Control ; (6): 705-707, 2016.
Artículo en Chino | WPRIM | ID: wpr-506536

RESUMEN

Objective To investigate the Toxoplasma gondii infection situation and relative factors in reproductive women in Shandong area,so as to provide the evidences for establishing strategies for reducing the birth defects and improving the quality of population. Methods A total of 5 386 reproductive women who visited hospitals at county and city levels in Shandong region from January 2013 to December 2015 were treated as the research objects,and their venous blood samples were collected to de?tect the antibodies(IgG and IgM)against T. Gondii in serum. Meanwhile,the related risk factors of T. gondii infection were sur?veyed by questionnaires. Results Among the 5 386 reproductive women,623 ones were positive for IgG antibody and the posi?tive rate was 11.56%,and 328 ones were positive for IgM antibody and the positive rate was 6.21%. The single factor analysis showed that the pregnant status(χ2 =13.12,P<0.01),whether the residences were in downtowns or counties(χ2 =6.27, P<0.05),whether having animal contact history(χ2=10.46,P<0.01),and whether eating half?baked foods(χ2=21.19, P < 0.01)were related to T. gondii infection. Conclusions The T. gondii infection rate of reproductive women in Shandong Province is high;the related risk factors include pregnant status,residence,degree of intimate contact with animal,and wheth?er eating half?baked foods. It suggests that the detection of T. gondii infection and health education in reproductive women should be strengthened.

2.
Chinese Journal of Microbiology and Immunology ; (12): 713-717, 2014.
Artículo en Chino | WPRIM | ID: wpr-454445

RESUMEN

Objective To analyze the epidemiological characteristics and disease control of epi-demic cerebrospinal meningitis (meningitis) in Xi′an in order to optimize the measurement for disease con-trol and prevention .Methods The reported cases , pathogen surveillance data and immunization coverage for meningitis were analyzed to evaluate the epidemic status , the number of healthy carriers and the disease control efficacy.Results The incidence of meningitis was 22.51/100 000 from 1951 to 1984 in Xi′an. Since the implementation of Expanded Immunity Program in 1984 , the incidence dropped significantly from the average incidence of 4.87/100 000 in 1980′s to 0.59/100 000 in 1990′s.The average incidence of men-ingitis was 0.095/100 000 from 2001 to 2011 and then showed a dramatic downtrend with no cases reported during 2012 to 2013 .Conclusion The analysis suggested that an expanded coverage of vaccine immuniza -tion and an enhanced disease surveillance system for meningitis should be used as the comprehensive meas -urements for the prevention and control of disease .

3.
Chinese Journal of Schistosomiasis Control ; (6): 13-15, 2014.
Artículo en Chino | WPRIM | ID: wpr-439537

RESUMEN

Objective To explore the shape change characteristics of Oncomelania hupensis snail shell after the snails being passively migrated into Shandong intake area of the South-to-North Water Diversion Project. Methods The snails raised on the Dushan island in Weishan Lake region were captured,and 115 the first filial generation snails and 107 the second filial generation ones were selected. The length and width of shells and apertures,and the labial ridge thickness of those snails were measured,the longitudinal rib number of snail spiral was counted,and 107 parental snails were chosen as controls. Results The labial ridge thickness of the filial generation snail was significantly reduced with the increase of algebras,and the labial ridge thickness among the 3 generations had a significant difference(P<0.01). Both the length of snail shell and the width of snail apertures were de-creased,while the width of snail shell,the length of snail apertures,the multiplication product of snail aperture’s length and width and the longitudinal rib number of snail spiral were all increased. Conclusion The body size of Oncomelania snails in Weishan Lake region becomes smaller,and their shells become thinner,which indicates that the environment of the lake region is not suitable for snail breeding,and the snails have natural decay tendency with the extension of time.

4.
Chinese Journal of Schistosomiasis Control ; (6)1989.
Artículo en Chino | WPRIM | ID: wpr-556668

RESUMEN

Objective To understand the achievements of clonorchiasis sinensis control in Shandong Province during the past forty years. Methods The data of the previous annual clonorchiasis sinensis investigation in Shandong Province were collected and analyzed. Results From 1960s to 1970s, there were 107 counties existing the prevalence of clonorchiasis sinensis in Shandong Province. The infection rate of population was 1.51%, and 85.70% of the infected people were children below fifteen years old. Through the forty years' control, the decreasing of intermediate hosts such as various kinds of fishes and water-snails due to 85. 00% of ditches and ponds dried up by the lasting drying weather after 1980s, and 90. 00% of rivers polluted by increasing liquid waste, as well as the decreasing of infective chances due to 97. 90% of people breaking off the habit of eating not-well-cooked fishes by popularizing health knowledge, to 2003, the population infection rate dropped to 0.04%, 95.60% of the village where residents had the infection dropped to below 1. 00% , and 60. 00% of counties where no Clonorchis sinensis infection was found. Conclusion The clonorchiasis sinensis transmission areas reduce gradually, the infection rate of population decreases to the lowest in the history and the transmission has been controlled in Shandong Province.

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