H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
4 days ago · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and poultry workers. While …
CDC Activities and Accomplishments to Date in 2024—2025 H5 …
4 days ago · The current outbreak began in late March 2024 with the detection of H5N1 bird flu in dairy cows, followed by the first human infections at the beginning of April. Over the course of …
2020–2025 H5N1 outbreak - Wikipedia
The main virus involved in the global outbreak is as H5N1 clade 2.3.4.4b, genetic diversification of which with other clades (such as 2.3.2.1c) has seen an evolution in the ability to cause …
Is bird flu the next pandemic? What to know after the first H5N1 …
Jan 8, 2025 · Scientists also know a lot more about H5N1 bird flu than they did the SARS-CoV-2 virus, and the US has been preparing for the threat of a new flu outbreak for a long time.
USDA Reported H5N1 Bird Flu Detections in Poultry - CDC
4 days ago · Highly pathogenic avian influenza (HPAI) A(H5) viruses have been detected in U.S. wild aquatic birds, commercial poultry and backyard or hobbyist flocks beginning in January …
H5N1: How worried should we be? - University of South Florida
6 days ago · H5N1 remains a major threat to poultry and wild bird populations, leading to large-scale culling of domestic fowl in many countries over the past few years to control outbreaks …
Influenza: A(H5N1) - World Health Organization (WHO)
The goose/Guangdong-lineage of H5N1 avian influenza viruses first emerged in 1996 and has been causing outbreaks in birds since then. Since 2020, a variant of these viruses has led to …
Avian Influenza A (H5N1) – United States of America
Apr 9, 2024 · Risk Assessment for public health related to outbreaks caused by Highly Pathogenic Avian Influenza (HPAI) A(H5N1), clade 2.3.4.4b, in animal species in the Region of the …
The Emerging Threat of H5N1 to Human Health | NEJM
Dec 31, 2024 · Cases of H5N1 respiratory illness have been detected because of a standard surveillance approach aimed at detecting novel (nonseasonal) influenza. This approach …
Avian flu reported in 108 countries across five continents, says UN ...
Dec 17, 2024 · There is no evidence so far that the H5N1 viruses have adapted to spread between people and there has been no reported cases of human-to-human transmission. No …
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