ABSTRACT - World Health Orgn reports that blood tests of people who work with exotic animals in markets in southern China show that significant proportion apparently have been infected with SARS virus, suggesting that some people may become infected without becoming ill; findings are from two separate studies of workers in markets in Guangdong Province; they strengthen SARS link between animals and humans (M) Blood tests of people who worked with exotic animals in markets in southern China show that a significant proportion apparently had been infected with the SARS virus, suggesting that some people may become infected without becoming ill, World Health Organization officials said yesterday.

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