C.D.C. Airport Surveillance Found the First Known U.S. Case of BA.2 - The New York Times

The results, which have not yet been published in a peer-reviewed journal, suggest that pooled testing of international travelers may be an effective and efficient way to keep tabs on new variants and pathogens

Eligible travelers could volunteer to provide a self-collected nasal swab at the airport. Swabs from five to 25 travelers from the same flight or country were added to a single tube and then tested f… [+2105 chars]

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