A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the ...

There’s a variant that may make this season’s flu vaccine less effective, but a doctor says that’s not a reason to avoid ...

Flu season is beginning, but do Canadians really need a shot amid new reports of a mutating strain? One doctor advises that ...

Jeb Teichman’s phone rang just before midnight. As a pediatrician, he has received many late-night emergency calls. This time, the call was about his 29-year-old son. Brent Teichmanhad been suffering ...

Health experts warn of a new flu strain, Subclade K, spreading to the U.S. from Japan and the UK, raising concerns ahead of ...