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By the end of July, it had become apparent that Weld County, Colorado had become the centre of the unprecedented multi-species outbreak of H5N1 in the United States. Outbreaks in multiple large poultry facilities and intensive dairy farms led to ten human farm-worker cases being reported in and around the county. [86]
Here's the latest information on the outbreak in the United States: PHOTO: HPAI H5N1 virus - 3d rendered image of highly pathogenic avian influenza. ... 58 human cases have been confirmed in seven ...
Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 confirmed human H5N1 infections in the United States this year.
CHICAGO/WASHINGTON (Reuters) -A second human case of bird flu has been confirmed in the United States since the virus was first detected in dairy cattle in late March, U.S. officials said on ...
The yardstick for human mortality from H5N1 is the case-fatality rate (CFR); the ratio of the number of confirmed human deaths resulting from infection of H5N1 to the number of those confirmed cases of infection with the virus. For example, if there are 100 confirmed cases of a disease and 50 die as a consequence, then the CFR is 50%.
Until May 2006, the WHO estimate of the number of human to human transmission had been "two or three cases". On May 24, 2006, Dr. Julie L. Gerberding, director of the United States Centers for Disease Control and Prevention in Atlanta, estimated that there had been "at least three." On May 30, Maria Cheng, a WHO spokeswoman, said there were ...
Countries that have reported human cases of highly pathogenic H5N1 infection. The global spread of H5N1 influenza in birds is considered a significant pandemic threat. While other H5N1 influenza strains are known, they are significantly different on a genetic level from a highly pathogenic, emergent strain of H5N1, which was able to achieve ...
The Michigan Department of Health and Human Services said Wednesday a Michigan farm worker has a confirmed case of the H5 bird flu.