Evaluation of infectious disease outbreak investigation capabilities in grassroots Centers for Disease Control and Prevention in Zhejiang Province
WANG Zhen1,2, CHEN Ying2, XING Yuhang2, YIN Shujuan2, ZHANG Renjie2, LIU Biyao2, WANG Hongmei1
1. School of Public Health, Zhejiang University, Hangzhou, Zhejiang 310058, China; 2. Zhengjiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China
Abstract：Objective To investigate the infectious disease investigation and response capabilities of grassroots Centers for Disease Control and Prevention (CDC) in Zhejiang Province, so as to provide a reference for strengthening the development of CDC workforce. Methods From May to June 2024, professional technical personnel engaged in or participating in on-site epidemiological investigation and response from 11 municipal-level CDC and 91 county-level CDC in Zhejiang Province were selected as survey participants. Data on sociodemographic information, outbreak response experience, and infectious disease investigation capabilities were collected using the National Questionnaire on the Current Status of Field Epidemiology Investigation Teams. Results A total of 2 316 individuals were surveyed, including 459 from municipal-leve CDC (19.82%) and 1 857 from county-level CDC (80.18%). The cohort was predominantly female, aged 30-<40 years, with a bachelor's degree, specialized in public health and preventive medicine, holding intermediate professional titles, and having <10 years of work experience, accounting for 55.79%, 36.44%, 72.88%, 74.18%, 34.72%, and 53.76%, respectively. A relatively high proportion of participants had experience in on-site infectious disease response (81.39%), been members of field epidemiology investigation teams or emergency response teams responsible for field epidemiology investigation (81.17%), and had prior work experience in infectious disease-related departments (66.80%). In contrast, the proportion of those who had delivered academic presentations on field epidemiology investigations (4.15%) or contributed to the development of expert consensus documents, guidelines, or textbooks (8.51%). The total score for infectious disease investigation and response capabilities among field epidemiologists investigators in grassroots CDC in Zhejiang Province was 53.19±16.19, with dimension scores of 65.15±13.90 for personal comprehensive competence, 59.75±20.77 for outbreak investigation procedures, and 28.65±19.32 for essential epidemiological investigation skills. Conclusions The grassroots field epidemiology investigation teams in Zhejiang Province have developed a certain level of workforce capacity and outbreak response experience. However, they generally exhibit relatively short work tenures, limited academic outputs, and moderate-to-low proficiency in infectious disease investigation and management, particularly with notable gaps in critical field investigation skills. It is recommended to strengthen systematic training and practical exercises to enhance grassroots emergency response capabilities.
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