In Case Bird Flu Becomes a Pandemic, Countries Are Preparing
Virologists say that the bird flu strain that is infecting cattle in the U.S. is unlikely to cause a pandemic in humans, but countries are gathering vaccines and stepping up surveillance just in case
Virologists say that the bird flu strain that is infecting cattle in the U.S. is unlikely to cause a pandemic in humans, but countries are gathering vaccines and stepping up surveillance just in case
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