As Delta surges, Covid breakthrough cases among vaccinated people remain uncommon
The Wall Street Journal reports: The Delta variant of the Covid-19 virus appears to be breaking through the protection vaccines provide at a higher rate than previous strains, a Wall Street Journal analysis found, though infections among the fully inoculated remain a tiny fraction of overall cases, and symptoms tend to be milder. U.S. states counted at least 193,204 so-called breakthrough cases among vaccinated people between Jan. 1 and early August, according to data that health departments in 44 states…