Category: B.1.1.7

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...

Coronaheadsup.com Alpha, Astrazeneca, AY.1, AY.2, AY.3, AY.3.1, AY.4, B.1.1.7, B.1.617.2, Coronavirus, Delta, Delta-AY.1, Delta-AY.2, Delta-AY.3, Delta-AY.3.1, Delta-AY.4, England, Europe, Evolution, Genome, Infection, Moderna, Northern Ireland, Pfizer/Biontech, Scotland, Testing, Transmission, UK, Vaccine, Wales

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...

Coronaheadsup.com Alpha, Astrazeneca, B.1.1.7, B.1.617.2, Coronavirus, Delta, England, Europe, Infection, Northern Ireland, Pfizer/Biontech, Reinfection, Scotland, Transmission, UK, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants, Wales

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...

Coronaheadsup.com Alpha, B.1.1.7, B.1.617.2, Coronavirus, Delta, Evolution, Herd Immunity, Hospitalization, Infection, Long Covid, Symptoms, Testing, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning

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...

Coronaheadsup.com Alpha, Astrazeneca, B.1.1.7, B.1.617.2, Coronavirus, Deaths, Delta, England, Hospitalization, Infection, Moderna, Northern Ireland, P.1, Pfizer/Biontech, Scotland, Side Effects, UK, Vaccine, Vaccine Breakthrough, Vaccine Waning, Wales

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...

Coronaheadsup.com Alpha, America, B.1.1.7, B.1.351, B.1.427, B.1.429, B.1.525, B.1.526, B.1.617.2, Beta, Coronavirus, Delta, Epsilon, Eta, Gamma, Iota, Janssen, Kappa, Moderna, P.1, Pfizer/Biontech, Science, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning, Washington State