Home Science With time and without masks, COVID-19 vaccines wane in protection, study finds

With time and without masks, COVID-19 vaccines wane in protection, study finds

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A study of highly vaccinated health workers found that the more contagious delta variant, combined with the masking mandate end, was associated with increased breakthrough cases, paralleling exponential rise of COVID-19 infections in the San Diego community.

Source: ScienceDaily.com