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<p class="First-paragraph-drop-cap">The Provincetown, MA, COVID-19 outbreak in July made headlines because hundreds of fully vaccinated people had breakthrough infections. The critical question is whether the Provincetown outbreak is more of an outlier, or is it a harbinger of the kind of outbreaks and vaccine breakthroughs we may see more often with the highly transmissible delta variant? </p>

Game Changer: COVID-19 Delta Variant Breaks Through in Provincetown

Vaccinated have similar viral load as unvaxxed, suggesting transmission