1.Willingness and influencing factors related to "centralized slaughtering, fresh poultry listing and marketing" strategy among the household chefs in Guangzhou.
W H LIU ; Y MA ; J Y LU ; H C YAN ; J H ZHOU ; X L LIAO ; J H ZENG ; W Q LIN ; D WU ; Z B ZHANG ; Z C YANG ; Z Q CHEN ; J D CHEN ; T G LI
Chinese Journal of Epidemiology 2018;39(2):204-207
Objective: To study the willingness and influence factors related to "centralized slaughtering, fresh poultry listing and marketing" strategy, among the household chefs, and provide reference for government to adjust and optimize the strategy on avian influenza prevention. Methods: According to the geographical characteristics and regional functions, 6 'monitoring stations' were selected from 12 residential districts of Guangzhou, respectively. Another 21 meat markets which selling live poultry, were selected in each station and 5 household chefs of each market were invited to attend a face to face interview. Basic information, personal cognitive, willingness and influencing factors to the policy were under study. Univariate and multivariate logistic regression methods were used. Results: A total of 664 household chefs underwent the survey and results showed that the rate of support to the "centralized slaughtering, fresh poultry listing and marketing" strategy was 44.6% (296/664). Results from the multi-factor logistic regression showed that those household chefs who were males (OR=1.618, 95% CI: 1.156-2.264, P=0.005), having received higher education (OR=1.814, 95% CI: 1.296-2.539, P=0.001), or believing that the existence of live poultry stalls was related to the transmission of avian influenza (OR=1.918, 95% CI: 1.341-2.743, P<0.001) were factors at higher risk. These household chefs also intended to avoid the use of live poultry stalls (OR=1.666, 95%CI: 1.203-2.309, P=0.002) and accept the "centralized slaughtering, fresh poultry listing and marketing" strategy. Conclusion: Detailed study on this subject and, setting up pilot project in some areas as well as prioritizing the education programs for household chefs seemed helpful to the implementation of the 'freezing-fresh poultry' policy.
Animals
;
Attitude to Health
;
China
;
Humans
;
Influenza A Virus, H7N9 Subtype
;
Influenza in Birds
;
Influenza, Human/prevention & control*
;
Male
;
Marketing
;
Meat-Packing Industry
;
Multivariate Analysis
;
Pilot Projects
;
Poultry/virology*
;
Surveys and Questionnaires
2.Hospitalization burden of hand, foot and mouth disease in Anhua county of Hunan province, 2013-2016.
S B YU ; K W LUO ; Y H ZHOU ; B B DAI ; F F LIU ; H YANG ; L LUO ; J LIU ; L L WANG ; Q LI ; L S REN ; Q H LIAO ; H J YU
Chinese Journal of Epidemiology 2019;40(1):79-83
Objective: To estimate the serotype and age-specific hospitalization burden associated with hand, foot and mouth disease (HFMD) in Anhua county of Hunan province, between October 2013 and September 2016. Methods: We collected hospitalization records of HFMD patients from 6 virological surveillance hospitals, and reimbursement records through new rural cooperative medical system from 23 township health centers to estimate the age-specific hospitalization burden of HFMD in Anhua. Combined with the results of virological surveillance, the serotype-specific hospitalization burden of HFMD in Anhua, was estimated. Results: During the three years, it was estimated that 3 541 clinical diagnosed HFMD cases, including 3 146 laboratory-confirmed HFMD cases, were hospitalized in Anhua, but only one was diaguosed as being severe. The estimated average hospitalization rate was 723/100 000(95%CI: 699/100 000-747/100 000) for clinical diagnosed HFMD and 642/100 000 (95%CI: 620/100 000-665/100 000) for laboratory-confirmed HFMD between October 2013 and September 2016. The cases caused by Cox A16 (208/100 000) and Cox A6 (202/100 000) had higher hospitalization rates compared with the cases caused by EV71 (130/100 000), Cox A10 (38/100 000) and other enterovirus (64/100 000), and the difference was statistically significant (P<0.001). HFMD-associated hospitalization rates peaked in children aged 1 year (3 845/100 000), and then decreased with age. Compared with the hospitalized HFMD caused by EV71 and Cox A16, Cox A6-associated hospitalizations mainly occurred in younger age groups (P<0.001). Conclusion: Our study revealed a substantial hospitalization burden associated with mild HFMD caused by EV71, Cox A16, Cox A6 and Cox A10, especially in young children, in Anhua.
Child
;
China/epidemiology*
;
Enterovirus
;
Enterovirus A, Human/isolation & purification*
;
Enterovirus Infections/virology*
;
Hand, Foot and Mouth Disease/virology*
;
Hospitalization/statistics & numerical data*
;
Hospitals/statistics & numerical data*
;
Humans
;
Infant
;
Serogroup
3.Herpes simplex virus-2 infection and related factors among female drug abusers in the women's compulsory drug rehabilitation center of Shandong province.
Q DUAN ; R LI ; M Z LIAO ; P X HUANG ; H Y YU ; T YANG ; S X SHAN ; D M KANG
Chinese Journal of Epidemiology 2018;39(2):199-203
Objective: This study aimed to understand the herpes simplex virus-2 (HSV-2) infection and related factors among female drug abusers in the women's compulsory drug rehabilitation center of Shandong province and to provide reference for the prevention and control of HSV-2 in these settings. Methods: We screened all of 451 female drug abusers in the women's compulsory drug rehabilitation centers in of Shandong province and conducted a study using both questionnaire investigation and serological tests for HSV-2, HIV and syphilis. We also used EpiData 3.1 software to establish a database and SPSS 20.0 software to conduct the χ(2) test and multivariate logistic regression analysis. Results: A total of 451 female drug abusers were under study. We noticed that the rates for HSV-2 infection, HIV infection and syphilis infection appeared as 72.1% (325/451), 2.2% (10/451) and 33.5% (151/451) respectively. Results from univariate analysis showed that factors as: awareness on AIDS, having temporary sex partner after using the drug, having multiple sex partners after using the drug, providing commercial services or having temporary sex practice before being detained, with syphilis infection etc., were associated with HSV-2 infection. Data from the multivariate analysis showed that the OR (95%CI) value of HSV-2 infection was 2.90 (1.19-7.06) for those who providing commercial service, when comparing to those who did not. Compared to those who did not suffer from syphilis infection, the OR (95%CI) value of HSV-2 infection for those with syphilis infection was 2.75 (1.63-4.63). Conclusions: The rate of HSV-2 infection was high in the women's compulsory drug rehabilitation center of Shandong province. We should enhance measures and promote condom use to prevent from HSV-2 and other sexually transmitted diseases among them.
Drug Users
;
Female
;
HIV Infections/epidemiology*
;
Herpes Genitalis/epidemiology*
;
Herpes Simplex/epidemiology*
;
Herpesvirus 2, Human/isolation & purification*
;
Humans
;
Opiate Substitution Treatment
;
Prevalence
;
Risk Factors
;
Serologic Tests/methods*
;
Sexual Behavior
;
Sexual Partners
;
Substance Abuse Treatment Centers
;
Substance-Related Disorders/rehabilitation*
;
Syphilis/epidemiology*
4.Epidemiological characteristics and molecular typing of typhoid and paratyphoid in China, 2009-2013.
Y CAO ; Y Y HAN ; F F LIU ; Q H LIAO ; J LI ; B W DIAO ; F X FAN ; B KAN ; M Y YAN
Chinese Journal of Epidemiology 2018;39(3):337-341
Objective: To understand the epidemiological and molecular characteristics of typhoid and paratyphoid in China from 2009 to 2013, and provide evidence for the prevention and control of typhoid and paratyphoid, the development and improvement of surveillance strategies. Methods: Epidemiological analysis was conducted on the incidence data of typhoid and paratyphoid, and related public health emergencies in China during 2009-2013. Pathogen isolation and culture, serologic test were conducted for the typhoid and paratyphoid cases from 13 national surveillance sites. The isolates were subjected to antimicrobial susceptibility testing. Pulsed-field gel electrophoresis (PFGE) was performed for the molecular typing of these isolates. Results: The average incidence of typhoid and paratyphoid in China during this period was 1.03/100 000. The reported case number and incidence decreased with year. The provinces reporting high case numbers were Yunnan, Guizhou, Guangxi, Hunan, Zhejiang, Guangdong and Xinjiang. The incidence of age group 0-4 years was highest. The proportion of farmers and children outside child care settings showed an increasing tendency over time. The annual incidence peak was during July-August. Twenty five outbreaks occurred during 2009-2013. The results of pathogen isolation and culture showed that the positive rate was 3.00% (940/31 322), among the positive isolates, the proportion of Salmonella paratyphi A accounted for higher proportion (68.19%, 641/940) compared with Salmonella typhi (31.60%, 297/940). The drug resistances of Salmonella typhi and Salmonella paratyphi varied, but their resistances to nalidixic acid were highest (50.22% and 85.33%) respectively. A certain amount of Salmonella typhi isolates showed the resistance to the 3rd generation cephalosporins. PFGE analysis showed divergent patterns of Salmonella typhi compared with limited patterns of Salmonella paratyphi A. Conclusion: The epidemic level of typhoid and paratyphoid in China was relatively low, but the outbreak occurred occasionally. It is necessary to enhance the laboratory-based surveillance, particularly the capability of etiological diagnosis, outbreak investigation, response and antibiotic resistance monitoring, and conduct risk factor investigation in provinces with high incidences in recent years.
Child
;
Child, Preschool
;
China/epidemiology*
;
Disease Outbreaks
;
Drug Resistance, Bacterial/genetics*
;
Electrophoresis, Gel, Pulsed-Field
;
Epidemics
;
Farmers
;
Humans
;
Incidence
;
Infant
;
Molecular Typing
;
Paratyphoid Fever/microbiology*
;
Population Surveillance
;
Salmonella paratyphi A/isolation & purification*
;
Salmonella typhi/isolation & purification*
;
Typhoid Fever/microbiology*