Category: Herd Immunity

Preprint: Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States

“At the country-level, there appears to be no discernable relationship between percentage of population fully vaccinated and new COVID-19 cases in the last 7 days.  More...

Coronaheadsup.com Coronavirus, Herd Immunity, Hospitalization, Iceland, Infection, Portugal, South Africa, Testing, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning, Vietnam

Preprint: Breakthrough SARS-CoV-2 infections in 620,000 U.S. Veterans – protection decreased from 92% to 54%

We compared SARS CoV-2 infection by vaccination status from February 1, 2021 to August 13, 2021 in the Veterans Health Administration, covering 2.7% of the U.S.  More...

Coronaheadsup.com America, B.1.617.2, Coronavirus, Delta, Healthcare, Herd Immunity, Hospitalization, Infection, Janssen, Moderna, Pfizer/Biontech, Revaccination, Testing, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning

UK ONS: one in sixty people infected with Covid, worst infection rate since January 2021

The prevalence of COVID-19 infections in England increased to around 1 in 60 people in the week ending Oct 9 2021, Britain’s Office for National Statistics said on Friday, reaching its highest level since January 2021.  More...

Coronaheadsup.com Astrazeneca, B.1.617.2, Children, Coronavirus, Delta, England, Herd Immunity, Infection, London, Moderna, Northern Ireland, Pfizer/Biontech, Scotland, Testing, Transmission, UK, Vaccine, Vaccine Breakthrough, Vaccine Waning, Wales

UK: start to pandemic “worst public health failure ever” – a failure that is still ongoing

“The UK’s failure to do more to stop Covid spreading early in the pandemic was one of the country’s worst public health failures, a report by MPs says.

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Coronaheadsup.com Children, Coronavirus, Deaths, Elderly, England, Healthcare, Herd Immunity, Hospitalization, Infection, Lockdown, London, Long Covid, Mental Heath, MIS-C PIMS, Northern Ireland, Pregnancy, Quarantine, Revaccination, Scotland, Superspreader events, Transmission, UK, Vaccine, Wales

October 19th – 23rd could be crucial in determining how bad Covid-19 will be this winter

We have already posted our prediction for the start of the next global Covid-19 wave here, and the October 23rd date we mentioned as being the start of the next wave also seems to be close to an inflexion point for global Covid deaths too.  More...

Coronaheadsup.com Africa, America, Asia, Australasia, B.1.617.2, Coronavirus, Deaths, Delta, Europe, Herd Immunity, Hospitalization, Infection, Reinfection, Transmission, USA, Vaccine, Vaccine Waning

UK: Vaccine breakthrough rate for Delta infections is 27% in Technical Briefing 23

The latest UK PHE Technical Briefing 23 has just been published covering the period up to 12th September 2021.  More...

Coronaheadsup.com Astrazeneca, B.1.617.2, Coronavirus, Deaths, Delta, England, Genome, Herd Immunity, Hospitalization, Infection, London, Moderna, Northern Ireland, Pfizer/Biontech, Scotland, Testing, UK, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants, Wales