(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the Centers for Disease Control and Prevention since the start of ...

We're in the midst of flu season, and the U.S. is facing a wave that's straining hospitals and closing schools. But not all ...

or A(H3N2), according to a University of Minnesota report, which cited findings published in Clinical Infectious Diseases. Flu vaccination rates in New York this season continued to lag prior ...

Influenza A is further divided into subtypes. You may have heard of H1N1 or H3N2 – those are the two dominant types of ...

All flu vaccines in the United States are "quadrivalent" vaccines, which means they protect against four different flu viruses: an influenza A(H1N1) virus, an influenza A(H3N2) virus, and two ...

For the week ending January 4, 18.6 percent of influenza tests came back positive, with influenza A(H1N1)pdm09 and A(H3N2) the most predominant variants during this period, according to the U.S ...

Current subtypes of influenza A viruses that routinely circulate in people include A(H1N1) and A(H3N2). Flu symptoms usually come on suddenly and can cause mild to severs illness. Flu can ...

In the paper, the authors investigate how the availability of genomic information and the timing of vaccine strain selection influence the accuracy of influenza A/H3N2 forecasting. The manuscript ...

Cases of the flu continue to rise nationwide and now appear to be higher than they've been in at least three decades, ...

1968-1977 (group 2 [G2]; n = 49; mean age, 48.4 years); likely primed by A(H3N2) subtype clade 2 virus. 1978-1997 (group 3 [G3]; n = 40; mean age, 35.1 years), likely primed by A(H3N2) and A(H1N1 ...