Controller of Centre for Health Protection says seasonal influenza activity has dropped below baseline level over the past week Hong Kong has emerged from its summer flu season, which started late and ...

Flu activity has surged in many parts of the Northern Hemisphere, driven primarily by a newly emerged H3N2 strain known as ‘subclade K’. A research team led by the Department of Microbiology and the ...

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising ...