Since March 25, when the bird flu virus was confirmed in U.S. cattle for the first time, weekly sales of raw cow’s milk have ticked up 21% to as much as 65% compared with the same periods a year ago, according to the market research firm NielsenIQ.
Avian flu is spreading rapidly among cattle, but public health and infectious disease experts are concerned the United States is too limited in its testing, leaving an incomplete picture of the virus’s spread.
The threat to the general public is currently low, health officials say, and the country’s milk supply is safe. Just one person has been infected. ...
But the outbreak is widespread; officials have found the virus in 42 herds across nine states. Dairy farm workers are at risk every time they are exposed to potentially infected cattle, and viral mutations could cause an outbreak, experts warn.
There have been major outbreaks around the world in the recent past, including four from 2014 to 2017, according to the Centers for Disease Control and Prevention.
So what makes this time different, and at what point should you be concerned?
Here are five things you should know about bird flu.
Several large-scale, human-driven changes to the planet — including climate change, the loss of biodiversity and the spread of invasive species — are making infectious diseases more dangerous to people, animals and plants, according to a new study.
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