PMID: 15355703Sep 10, 2004Paper

Effect of environment and occupational hygiene factors of hospital infection on SARS outbreak

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases
Zhi-Xiang Zhou, Chao-Qiang Jiang

Abstract

To study the effects of weather conditions and occupational hygiene on SARS outbreak. (1) Meteorological parameters around SARS outbreaks in 2003 in 9 cities (Guangzhou, Beijing, Tianjin, Taiyuan, Hong Kong, Taipei, Singapore, Toronto and Hanoi) were analyzed; (2) Causes of hospital infection were also analyzed from an occupational hygiene point of view. (1) The amplitude of air temperature, air pressure and diurnal temperature difference were greater around SARS outbreaks in most of the cities. Higher airborne particles concentration and lower wind speed were measured prior to SARS outbreaks in the cities with the most serious epidemic situation. The ten-day mean value of air temperature before SARS outbreaks in 9 cities was 16.6 degrees C +/- 7.6 degrees C, suggesting that coronary virus infection, which has been considered to cause SARS by now, may be most active at 9 degrees C - 24 degrees C. (2) Occupational hygiene in hospital proved to be an important socio-behavior factor for SARS outbreak. All hospital infection could be attributed to defects in the key links of occupational hygiene. Greater fluctuations of air temperature and higher airborne particles concentration in winter and spring, as well as poor occupational hy...Continue Reading

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