The CDC has issued a health alert following a concerning development in the spread of H5N1 bird flu. A farm worker in Texas has contracted the virus, marking the second human case in the US. H5N1 is a highly pathogenic avian influenza that first emerged in 1997 and poses potential pandemic risks.
The CDC issued a health alert after a cow-to-human transmission of H5N1 bird flu in Texas , marking a concerning development in the spread of this highly pathogenic virus , which has been affecting various species globally and posing potential pandemic risks .first case of H5N1 avian influenza
Influenza A viruses such as H5N1 are further divided into variants, called clades. The unique variant causing the current epidemic isIn the past, outbreaks could be controlled by culling of infected birds, and H5N1 would die down for a while. But this has become increasingly difficult due to escalating outbreaks sinceWaterfowl are the main global spreaders of avian flu, as they migrate across the world via specific routes that bypass Australia.
One concern is if birds were to infect an animal like a pig, this acts as a genetic mixing vessel. In areas where humans and livestock exist in close proximity, for example, farms, markets or even in homes with backyard poultry, the probability of bird and human flu strains mixing and mutating to cause a new pandemic strain is higher.producing less milk
Unlike the previous epidemiology of avian flu, where hot spots were in Asia, the new hot spots are in the
CDC Health Alert Cow-To-Human Transmission H5N1 Bird Flu Texas Highly Pathogenic Virus Potential Pandemic Risks
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In world 1st, dairy cows in Texas and Kansas test positive for H5N1 bird fluSascha is a U.K.-based trainee staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe.
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