The flu that is currently going around is type B. About 97 percent of flu virus cases detected last week were type B. In contrast, type A, which was dominant during the winter, has sharply declined.

Influenza A and B are the most common types of flu in humans. Here, ... However, influenza A is the only type responsible for flu pandemics, which are global epidemics.

All four flu pandemics — in 1918, 1957 and 1968 and the swine flu pandemic of 2009 — were caused by Type A viruses. Influenza B viruses, however, only circulate in humans.

When it comes to type A versus type B flu, the timing isn't always predictable, Liu says. Flu season typically starts around October, peaks between December and February and then continues to ...

Influenza A is more commonly seen earlier in flu season, in the winter months, while influenza B seems to crop up later, ...

Unlike type A, influenza B only infects humans, he explains, “so it changes more slowly and it tends to be milder.” But on an individual level, influenza B infections have the potential to ...

Flu A tends to cause more ear infections than flu B, but type B is associated with more seizures, vomiting and diarrhea, said Dr. Sherif Mossad, an infectious disease doctor at the Cleveland Clinic.

Influenza A is more commonly seen earlier in flu season, in the winter months, while influenza B seems to crop up later, around early spring. Dumford expects the shift to happen this year in late ...

(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 ...

The dominance of influenza A at this point in the flu season is to be expected. Influenza A is more commonly seen earlier in flu season, in the winter months, while influenza B seems to crop up ...

Influenza A is more commonly seen earlier in flu season, in the winter months, while influenza B seems to crop up later, around early spring. Dumford expects the shift to happen this year in late ...