A biotech conference in Boston last February that’s already been flagged as a Covid-19 superspreading event led to at least 333,000 other cases across the US and Europe, a new genetic fingerprinting study shows.
A biotech conference in Boston last February that’s already been flagged as a Covid-19 superspreading event led to at least 333,000 other cases across the US and Europe, a new genetic fingerprinting study shows.
