So COVID-19 vaccines aren't perfect. They're still very, very effective
A health worker in La Paz, Bolivia receives his first dose of the Covid-19 vaccine developed by China's Sinopharm(AFP)

A rising number of people who've been vaccinated are getting infected with the coronavirus. But is that surprising, and should it be cause for concern? The short answer, according to local researchers: No. Public health officials are tracking so-called COVID-19 breakthrough cases: fully vaccinated people who've become infected. It was already clear from the clinical trials that the current vaccines weren't perfect. No vaccine is. But the rate of infection among the immunized has been extremely low, with COVID-19 hospitalization and death even less likely. Researchers haven't seen any alarming ...