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...

UK: Vaccine breakthroughs now one third of all new Covid-19 cases

According to the UK ZOE COVID Study, among unvaccinated people in the UK there are currently 22,638 new daily symptomatic cases of COVID on average.  More...

Belgium: 90-year-old woman coinfection with Alpha and Beta coronavirus variants

Researchers in Belgium report on the case of a 90-year-old woman who was simultaneously infected with two different variants of concern (VOCs) of COVID-19, in a Case Report being presented at the European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) held online this year.  More...

Delta in England: The vaccine breakthrough rate is increasing and Delta is proportionally more deadly for the fully vaccinated than the unvaccinated

Some very surprising news from PHE Technical Briefings which show that the vaccine breakthrough rate in England has increased dramatically over the last 5 weeks, and worse, that the mortality rate for the fully vaccinated cases is proportionally far worse than the mortality rate for the unvaccinated, and that that proportion is also increasing.  More...

UK: PHE Technical Briefing and Variants of Concern update 18

PHE England have recently published new reports on the SARS-COV-2 variants circulating in Britain: Alpha, Beta, Gamma, Zeta, Eta, B.1.1.318, Theta, Kappa, B.1.617.3, AV.1, C.36.3, Lambda, C.37

SARS-CoV-2 variants of concern and variants under investigation in England

Variants under surveillance
Variant prevalence
Secondary attack rates
SARS-CoV-2 Immunity and Reinfection Evaluation (the SIREN study) cohort monitoring

Part 2: Delta (B.1.617.2) surveillance
Surveillance through genomic data
Delta with K417N (Delta-AY.1)

 

Investigation of SARS-CoV-2 variants of concern: routine variant data update

Data on individual variants
Alpha
Beta
Gamma
International Epidemiology
Zeta
Eta
VUI-21FEB-04 (B.1.1.318)
Theta
Kappa
VUI-21APR-03 (B.1.617.3)
VUI-21MAY-01 (AV.1)
VUI-21MAY-02 (C.36.3)
Lambda (C.37, VUI-21JUN-01)

 

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Preprint: Transmission event of Delta coronavirus variant reveals multiple vaccine breakthrough infections

Here we describe a transmission of a Delta variant containing SARS-CoV-2 strain, between family members associated with events surrounding a wedding with 92 attendees, near Houston, Texas.  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...