U.S. gives conditional approval for a bird flu vaccine for chickens

In a bid to contain a bird flu outbreak that has sent egg prices soaring, the U.S. Department of Agriculture (USDA) last week granted a conditional license for a vaccine designed to protect chickens from the virus.

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​In a bid to contain a bird flu outbreak that has sent egg prices soaring, the U.S. Department of Agriculture (USDA) last week granted a conditional license for a vaccine designed to protect chickens from the virus.Read more…