2025年3月20日 · The H5N1 strain of highly pathogenic avian influenza (HPAI) is present in wild birds worldwide and is causing outbreaks in U.S. domestic birds and dairy cattle. Many other …

Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the …

2025年3月19日 · Historically, the mortality rate from avian influenza A(H5N1) observed globally has been around 50%; however, only one of 70 human infections* in the United States to date …

2 天之前 · 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 …

2025年2月26日 · CDC provides an update on recent developments in the multistate outbreak of avian influenza A(H5N1) virus, or "H5N1 bird flu," in dairy cows, poultry, and other animals in …

4 天之前 · H5N1 could either evolve on its own, or trade genes with another human-infecting flu. The latter possibility is particularly concerning at times of high rates of seasonal flu, such as …

2024年5月16日 · H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal. Symptoms reported have primarily …

2024年12月31日 · Highly pathogenic avian influenza A (H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We …

2025年1月7日 · Avian influenza A (H5N1), or bird flu, is spreading among cows in the United States. A Yale Medicine expert tells you what you need to know to stay safe.

2024年12月31日 · Highly pathogenic avian influenza (HPAI) A (H5N1) emerged in 1997. 1 Since then, it has spread globally by migratory birds, resulting in infections in animals on every …