Indonesian domestic helper in critical condition after contracting Hong Kong 's first human case of H7N9 avian flu . Score: 6 Hong Kong had raised its level of preparedness for an influenza pandemic to `` serious '' Human infections from the H7N9 strain of bird flu first emerged in Shanghai in March this year .
Indonesian domestic helper in critical condition after contracting Hong Kong 's first human case of H7N9 avian flu . The woman had recently travelled to mainland China and slaughtered a live chicken . Hong Kong had raised its level of preparedness for an influenza pandemic to `` serious '' Human infections from the H7N9 strain of bird flu first emerged in Shanghai in March this year .