Why Bird Flu Hunters Flock to New Jersey

How do flu super-strains happen? When 2 or more strains have the opportunity to convene within one cell.

Such an opportunity is created when migratory birds mix with local fowl—as when red knots from Argentina arrive on New Jersey’s Delaware Bay, a hotbed of avian influenza strains. Researchers flock there every summer looking for clues as to which bird flu strains are evolving in the wild that could trigger the next pandemic.

But this research isn’t just for the birds: pigs are another likely source that have researchers studying swine at state fairs.

PBS Newshour

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