In Los Angeles, Breakthrough Infections Are Now 30% Of All New Covid Cases Amid Delta Surge
Excerpt: In March 2021, when Americans first began hearing about the Delta variant of Covid-19, breakthrough infections among fully-vaccinated Angelenos accounted for just 2% of that month’s case total. By June, when Delta accounted for 50% of all variants in Los Angeles, breakthrough infections among fully-vaccinated residents had risen to 20% of all identified cases. In late July, county ... Read more