Researchers from the UK found that 21 of the 30 patients had detectable amounts of viral RNA in their noses and throats (far left) compared to just four out of 90 air samples (center left, center right and far right)
Researchers from the UK found that 21 of the 30 patients had detectable amounts of viral RNA in their noses and throats (far left) compared to just four out of 90 air samples (center left, center right and far right)