CDC: 25% vaccine breakthrough in Los Angeles County up to July 2021

During May 1–July 25, 2021, among 43,127 SARS-CoV-2 infections in residents of Los Angeles County, California, 10,895 (25.3%) were in fully vaccinated persons, 1,431 (3.3%) were in partially vaccinated persons, and 30,801 (71.4%) were in unvaccinated persons.  More...

USA: 55% increase in Delta vaccine breakthrough cases in Washington State

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 11th August 2021.  More...

USA: 18.5% vaccine breakthrough in New Jersey

In a sampling of data from July 20 to July 26, fully vaccinated individuals accounted for 18.5 percent of new cases (803 of 4,332 new COVID-19 positive test results), but just three percent of all new hospitalizations (11 of 378) and no deaths (0 of 21).  More...