What Breakthrough Infections Can Tell Us
With 165 million people and counting inoculated in the United States, vaccines have, at long last, tamped the pandemic’s blaze down to a relative smolder in this part of the world. But the protection that vaccines offer is more like a coat of flame retardant than an impenetrable firewall. SARS-CoV-2 can, very rarely, still set up shop in people who are more than two weeks out from their last COVID-19 shot.These rare breakthroughs, as I’ve written before, are no cause for alarm.