When the COVID-19 pandemic first began, the general thought was that once people were infected, they were then protected from the virus.
aren’t providing as much protection against the newly dominant BA.5 strain as they did against earlier variants.
But evidence doesn’t show this subvariant of Omicron to be more harmful than earlier, less transmissible versions. Several factors are contributing to rising reinfections, experts say. For example, fewer people are wearing masks than in the first year or so of the pandemic. Mokdad said just 18% of Americans reported always wearing a mask in public at the end of May, down from 44% the year before.
The emergence of the Omicron variant, of which BA.5 is a subvariant, is indicating that less protection is being offered by prior infections.ABC News: “Experts reveal how likely reinfection is from COVID with spread of omicron subvariant BA.5
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