Pfizer has not yet found a variant escaping protection of the vaccinehttps://www.foxnews.com/health/pfizer-bourla-covid-19-vaccine-resistant-variant-likely-emerge
Pfizer has not yet found a variant escaping protection of the vaccinehttps://www.foxnews.com/health/pfizer-bourla-covid-19-vaccine-resistant-variant-likely-emerge