The CDC has classified this flu season as one of high severity across all age groups, the first such classification since ...

Flu activity continues to hit new peaks, spreading across the country, according to data from the Centers for Disease Control ...

The United States is facing what seems to be one of the worst flu seasons in over a decade. Doctor visits for influenza ...

During this week, of the 4,377 viruses reported by public health laboratories, 4,264 and 113 were influenza A and B, respectively. Of the 3,458 influenza A viruses subtyped, 53.7 percent were ...

The influenza A virus genome consists of eight segments of single-stranded, negative-sense viral RNA, which encode multiple ...