丹麥確診一宗H1N1甲型流感個案。[http:--www.marketwatch.com-news-story-Flu-outbreak-spreads-Hong-Kong-story.aspx?guid={C1A2C3D6-2501-492A-B157-1C802592C57B} MARKETWATCH]url=http:--www.marketwatch.com-news-story-Flu-outbreak-spreads-Hong-Kong-story.aspx?guid=%7BC1A2C3D6-2501-492A-B157-1C802592C57B%7D
香港確診一宗H1N1甲型流感個案，一名來自墨西哥的旅客證實患病。[http:--www.rthk.org.hk-rthk-news-englishnews-20090501-news_20090501_56_578422.htm 香港電台]url=http:--www.rthk.org.hk-rthk-news-englishnews-20090501-news_20090501_56_578422.htm