A 10-year-old Hong Kong boy has tested positive for H7N9 bird flu, making him the fourth such case in the city this winter, according to the Centre for Health Protection of the Department of Health.
Twenty-seven close contacts, who all remained asymptomatic, have been identified and will be given Tamiflu for five days.
The government has also identified 70 other contacts, with four experiencing mild symptoms. The four are healthcare employees of Princess Margaret Hospital, where the boy was...
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