Severe acute respiratory syndrome in Guangdong Province of China: epidemiology and control measures / 中华预防医学杂志
Jian-feng HE; Rui-heng XU; De-wen YU; Guo-wen PENG; Yong-ying LIU; Wen-jia LIANG; Ling-hui LI; Ru-ning GUO; Yan FANG; Xian-chang ZHANG; Hui-zhen ZHENG; Hui-ming LUO; Jin-yan LIN.
Chinese Journal of Preventive Medicine
; (12): 227-232, 2003.
Artículo
en Zh
| WPRIM | ID: wpr-291868
<p><b>OBJECTIVE</b>To explore epidemiological features and risk factors of severe acute respiratory syndrome (SARS) in Guangdong Province of China, so as to work out effective strategies for its better control.</p><p><b>METHODS</b>A total of 1 511 clinically confirmed SARS cases in Guangdong Province of China from November 16, 2002 to Jun 15, 2003 were retrospectively analyzed.</p><p><b>RESULTS</b>The first SARS case was identified in Foshan municipality on November 16, 2002, followed by 1 511 clinically confirmed cases (including 58 deaths) up to May 15, 2003. Of all cases, health care workers and community family cluster cases accounted for 19.38% and 12.04%. 65.86% SARS patients aged 20 - 49 years, and increased incidence was positively related to their ages. 95.97% cases lived in the following five cities around Pearl Delta Area Foshan, Guangzhou, Shenzhen, Zhongshan, and Jiangmen. Eleven early reported cases in the communities took animal-related positions. Face-to-face contacts with infected droplets were the main transmission route. An epidemic peak occurred during January 28 to February 26, and those cases accounted for 50.69% of total. Incidence, mortality, and case fatality of SARS were 1.77/100,000, 0.07/100,000, and 3.84% respectively. The mean incubation period was 4.5 days.</p><p><b>CONCLUSION</b>The most effective way to control SARS is to break the chain of transmission from infected to healthy persons-early identification, prompt and effective isolation, and vigorous close contact tracing. Hospital infections among health care workers is critical. Several observations support the hypothesis of an animal origin for the disease.</p>
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