Scientists studying the massive COVID outbreak in Provincetown made a startling discovery that fueled the US Centers for Disease Control and Prevention’s new masking policy this week: that vaccinated people who become infected can carry as much of the virus as unvaccinated patients.
The CDC findings suggest that vaccinated people could just as easily spread the virus to others. Most of the infections are of the Delta variant, and in Provincetown, where the cluster is now approaching 900 cases, authorities said that three-quarters of the infected people had been vaccinated.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.