Reports of severe Covid or death after vaccination are rare, but not unexpected
The New York Times reports: Over the last few months, a steady drumbeat of headlines has highlighted the astounding real-world effectiveness of the Covid-19 vaccines, especially the mRNA vaccines made by Pfizer-BioNTech and Moderna. The vaccines, study after study has shown, are more than 90 percent effective at preventing the worst outcomes, including hospitalization and death. But alongside this good news have been rare reports of severe Covid in people who had been fully vaccinated. On June 3, for instance,…