"Human influenza A viruses of subtype H2N2 and related H2N2 avian influenza viruses can enter cells through a second receptor. They use an alternative entry pathway," says Stertz. The researchers ...

They found that this strain, H2N2, was unlike any flu that humans were known to have encountered. When it reached the United States, no one would be immune. Hilleman moved quickly to alert the ...

The 2009 influenza pandemic A(H1N1)pdm09 of swine origin and the continued circulation of highly pathogenic avian H5N1 strain in humans are stark reminders of the unpredictable nature of the ...

"Human influenza A viruses of subtype H2N2 and related H2N2 avian influenza viruses can enter cells through a second receptor. They use an alternative entry pathway," says Stertz. The researchers ...

Flu viruses that can use a second cellular entry point may move more effectively between animals and humans, scientists say. Most flu viruses enter human cells through a single entryway — but ...

during the 2021-2022 influenza season and categorized them into those born between: 1925-1967 (group 1 [G1]; n = 41; mean age, 79.4 years); likely primed by A(H1N1) and A(H2N2) clade 1 viruses.

In March 2020, Yamagata’s trail went cold. The pathogen, one of the four main groups of flu viruses targeted by seasonal vaccines, had spent the first part of the year flitting across the ...

The origin of the 1918 H1N1 pandemic virus may have been an avian influenza A virus. The 1957 H2N2 pandemic influenza virus and the 1968 H3N2 pandemic influenza virus both resulted from a combination ...