Vaccine breakthrough cases in Oregon by variant to 16th September 2021

Vaccine breakthrough data for Oregon state by Sars-CoV-2 variant up to 16th September 2021.

The Delta variant is currently responsible for the majority of vaccine breakthrough cases in Oregon....More...

UK: The Alpha variant rears its ugly head again

A big surprise in the latest UK sequencing figures show that the Alpha variant has made something of a comeback this week....More...

Vaccine breakthrough cases in Washington State to 1st September 2021

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 1st September 2021....More...

Vaccine breakthrough cases in Washington State to 25th August 2021

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 25th August 2021. ...More...

UK Covid app confirms vaccines are waning

Joinzoe: “We found that initial protection against infection a month after the second dose of the Pfizer vaccine was 88%, while after five to six months this fell to 74%. ...More...

The future of Sars-CoV-2: Multiple vaccine breakthrough infections in one patient

The patient had three RT-PCR confirmed SARS-CoV-2 infections. Two breakthrough infections occurred in quick succession with the first over 3 weeks after complete vaccination with COVISHIELD and despite post-vaccination seroconversion....More...

UK: Vaccine breakthrough rate for Delta infections still increasing

The latest UK PHE Technical Briefing has just been published, and it shows that the vaccine breakthrough rate for Delta infections in the UK continues to increase by about 6% per month....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, Maryland: “I went to a party with 14 other vaccinated people; 11 of us got COVID”

I’m an epidemiologist at a major medical research university.  I had gone to a house party in Montgomery County.

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USA: Washington State Vaccine Breakthroughs by Variant up to 4th August 2021

This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them up to 4th August 2021....More...