The current bird flu strain was so deadly that it came from the same source
The spread of the H5N1 flu in birds and its impact on the virus genome over a wide range of time-varying spatial and temporal associations
The outbreak of the H5N1 flu in birds with a 0 degree temperature was associated with Spatial andTemporal associations. The PLoS Pathog. 6 is out this year.
The study, published in Nature on 18 October1, looked at changes to the virus’s genome over time and used data on reported outbreaks to track how it spread.
Louise Moncla is a researcher at the University of Pennsylvania. If wild birds bring in the disease multiple times, it’s going to be hard to manage.
It developed two subtypes in 2021 and 2022. One spread across the northern coastal regions of central Europe and was eventually carried to North America by birds migrating across the Atlantic Ocean. It was carried into Africa by way of the Mediterranean Sea.
Nomenclature update of highly pathogenic avian influenza A(H5N8) virus in mallards, Europe, 2022-2023
LPAI viruses often circulate freely in poultry and wild birds. Population immunity is thought to be caused by previous infections with these non-deadly strains. “You can think of it as an imperfect vaccine, that doesn’t stop infection, but it helps mitigate the effects of disease,” says Ramey.
But “there’s probably two sides of the coin here”, he adds. HPAI viruses can mutate through interactions with LPAI ones. In both, the genome is split into eight segments that can be mixed and matched. “When two viruses co-infect the same cell, they could swap their genes when the virus is getting packaged,” says Dhanasekaran.
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A new study has suggested that the spread of highly pathogenic avian influenza, or H5N1 flu, over a range of time-varying time-varying associations was associated with spatial and temporal associations. Researchers used data on reported outbreaks to track how it spread. The study looked at changes to the virus’s genome over time and used data on reported outbreaks to track how it spread.