COVID-19 Breakthrough COVID Infections: What Are They and Who Is More Likely to Report Them? “If you’ve been infected in the past with an old or a classic strain of COVID you may not be as well protected against these newer strains but we’ve seen from the early data from Pfizer and Moderna that these do provide added protection. So there is added value to getting vaccinated,” NYC’s Dr. Jay Varma says Published 1 hour ago • Updated 6 mins ago
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