'I'm worried that a lot of transmission is occurring,' UCSF's Dr. Peter Chin-Hong said. 'Not because people are being devious or irresponsible, it's just that they don't know they're positive.'
A UCSF infectious diseases doctor says the new BA.5 variant is creating more false negative home tests, and it could be leading to more transmission.Why is the BA.5 COVID-19 variant spreading so quickly? A UCSF infectious disease expert is now saying it is testing -- not bad behavior -- that may be causing the rapid spread of the disease.
"I'm worried that a lot of transmission is occurring," Chin-Hong said. "Not because people are being devious or irresponsible, it's just that they don't know they're positive." "You can be swabbing your nose until there's no tomorrow, but if all the action is in your throat, it takes a while for that virus to go up to the nose," Chin-Hong said. "So that's why you're turning negative for a long time until you turn positive when the virus gets up to the nose."Chin-Hong said the other factor is how a vaccinated person's immune system responds to this strain.
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