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...

L452R mutation is present in more than 400 SARS-CoV-2 coronavirus genomes isolated from over 20 countries

Scientists have examined the Nextstrain and GISAID databases and found that the L452R mutation is present in more than 400 SARS-CoV-2 genomes isolated from over 20 countries.  More...