We Now Know Why Type B Influenza Has Been So Predominant This Season, the First Time in 27 Years
A new subclade of type B influenza has been identified, and it is probably the reason why -- for the first time in 27 years -- type B influenza is the predominant virus in the seasonal flu epidemic.
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A new subclade of type B influenza has been identified, and it is probably the reason why -- for the first time in 27 years -- type B influenza is the predominant virus in the seasonal flu epidemic.
