It’s Time for a Flu Vaccine—for Birds

The wave of avian influenza H5N1—which so far has hit 76 countries, triggered national emergencies, and created the worst animal-disease outbreak in US history—keeps roaring through wild birds and commercial poultry. More than 140 million poultry worldwide have died from the virus or were slaughtered to keep it from spreading, according to the World Organization for Animal Health. And though they are harder to count, the die-offs among wild birds have been catastrophic. 

Something has to put the brakes on. In the US, where losses are close to 60 million, industry experts are talking quietly about taking a step they have long resisted: vaccinating commercial chickens, laying hens, turkeys, and ducks

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