This year's vaccine contains two influenza A strains, H1N1 and H3N2 and a B strain which is all very similar to what he's seeing out in the community.

The Sindh Health Department has sprung into action to put in place measures to contain the rising cases of H1N1 influenza across the province. The department has sent a letter to the district ...

Brewer added that almost all of the flu cases this season are influenza A with variants H1N1 and H3N2, strains that have been circulating for years. He said the H3N2 variant tends to have a higher ...

Influenza A strains H3N2 and H1N1 always circulate, but one of them usually dominates, McGeer said. In a "mixed season" where both strains have high levels of activity, there tends to be a peak of one ...

This year, two influenza A strains are causing misery — H1N1 and H3N2 — and what’s unusual is that they seem to be sharing the stage in roughly equal amounts. “A lot of times, you see a ...