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: Washington State Vaccine Breakthroughs by Variant up to 28th July 2021

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 28th July 2021.  More...

USA: Washington State Vaccine Breakthroughs by Variant up to 21st July 2021

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

USA: Vaccine breakthough cases in Washington State by coronavirus variant to 30th June 2021

Washington State has recently published an update on the number of vaccine breakthrough cases.  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...

California coronavirus variant CAL.20C accounts for nearly half of COVID-19 cases in Southern California and about a 1/3 of cases in the state

The CAL.20C variant accounts for nearly half of COVID-19 cases in Southern California and about a third of cases in the state based on an analysis of viral genomes posted to a global database called GISAID.  More...