Omicron subvariant BA.2 was associated with higher susceptibility of infection among households, regardless of vaccination status, than the original BA.1 variant, Danish researchers found.
With this support, the researchers will specifically look for evidence of pathogens, including SARS-CoV-2, on used filters collected from airplanes. If viruses can be found on filters, then filters from international flights could be used as a new way to track when and where viruses enter the country. Rather than testing travelers individually, it might be possible to monitor entire flights with one test...
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