The FDA has given marketing authorization to Zyn nicotine pouches. That doesn't necessarily mean they're safe to use, especially for young people, and experts say there's little evidence that they ...

From new avian or bird flu outbreaks on the Eastern Shore to a new Ebola outbreak in Uganda, we need the World Health Organization to help mitigate pandemics and inform the world. We also need the ...

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The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control measures are being undertaken to contain the virus.

The H5N9 strain was detected in the United States for the first time, U.S. Veterinary Services said weeks after the first U.S. death from H5N1.