A new study has shown that person-to-person variation in antibody immunity plays a key role in shaping which influenza (flu) strains dominate in a population. The work, published today as a Reviewed ...

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

It's the time of sneezing, coughing, hacking and wheezing. Cases of the flu are surging throughout much of the United States as the new year begins. In its latest Influenza Surveillance Report, ...

A new mutation of influenza A is on the rise, causing concern among public health officials.

Influenza is an extremely old enemy. Hippocrates described it in 412 B.C., Charlemagne in 876. Influenza also is a totally new enemy. Every year, a brand-new viral version sweeps the planet. That's ...

A fast-spreading new flu strain is gaining a reputation as a monstrous “super flu.” The mutation of influenza A(H3N2) called subclade K is driving up infections across the country, including in New ...

In recent years, there has been growing concern over the H5N1 influenza virus. It was first identified in birds three decades ago and has now gradually found its way to humans. H5N1 is a strain of the ...

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate characterization.

The ecology of Influenza viruses, particularly influenza A viruses (FLUAV), is complex and involves many different species, including wild birds, poultry, pigs, horses, dogs, marine mammals, and ...

Across the United States, clinics and emergency rooms are again filling with people who have high fevers, hacking coughs, and ...