Signs of avian flu found in San Francisco wastewater Signs of H5N1 bird flu virus have been detected at three wastewater sites in California's Bay Area, according to sampling data. Medical Xpress

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While positive wastewater samples have been found in seven other states, California is the only one that has yet to report a bird flu outbreak in a herd of dairy cows.

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U.S. awards Moderna $176 million to produce bird flu vaccine

The U.S. government has awarded $176 million to Moderna to advance development of its bird flu vaccine, the company said on Tuesday, as concerns rise over a multi-state outbreak of H5N1 virus in dairy cows and infections of three dairy workers since March.

The funds from the U.S. Biomedical Advanced Research and Development Authority will be used to complete late-stage development and testing of a pre-pandemic mRNA-based vaccine against H5N1 avian influenza, the company said in a statement....

Scientists wary of bird flu pandemic 'unfolding in slow motion' Scientists tracking the spread of bird flu are increasingly concerned that gaps in surveillance may keep them several steps behind a new pandemic, according to Reuters interviews with more than a dozen leading disease experts. Julie Steenhuysen,Jennifer Rigby Reuters

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Three months into bird flu outbreak in U.S. dairy cows, experts see deep-rooted problems in response Three months into the H5N1 bird flu outbreak in U.S. dairy cows, experts see deep-rooted problems in the government's response. Andrew Joseph STAT

Three months since an outbreak of avian influenza in U.S. dairy cattle was declared, the country is failing to take the necessary steps to get in front of the virus and possibly contain its spread among cows, according to interviews with more than a dozen experts and current and former government officials.