Category: Vaccine Waning
France: Nearly one million Covid reinfections in a year
961,550 possible cases of Covid reinfection were identified in France between March 2, 2021 and April 24, 2022, of which 96.7% were since December 6, 2021. More...
Israel: The next Covid wave could be Delta
There is a real danger of another international COVID wave this summer, with the Delta variant possibly poised to make a comeback, new Israeli research suggests. More...
Preprint: Rates of COVID-19 among unvaccinated adults with prior infection
Prior COVID-19 (in the unvaccinated) was associated with protection of 85% against any recurrent COVID-19, 88% against hospitalization for COVID-19, and 83% against COVID-19 not requiring hospitalization. More...
EMA: “Too early to consider using a fourth dose of mRNA COVID-19 vaccines”
The European Centre for Disease Prevention and Control (ECDC) and EMA’s COVID-19 task force (ETF) have concluded that it is too early to consider using a fourth dose of mRNA COVID-19 vaccines (Pfizer’s Comirnaty and Moderna’s Spikevax) in the general population. More...
UK: Fifth Covid-19 jab in two years for the over 50’s planned
The UK Health Secretary has suggested that a fifth dose of a Covid-19 may be needed in the autumn of 2022. More...
Preprint: Prior natural infection compared to mRNA vaccination for SARS-CoV-2
Natural infection was associated with stronger and more durable protection against infection, regardless of the variant, than mRNA primary-series vaccination. More...
UK: It’s the largest Covid wave EVER *8 UPDATES*
Nearly two hundred and seventy thousand symptomatic cases recorded in a single day in Britain. More...
UK wakes up to a new Covid wave amid Russian-style news blackouts
Just two and half weeks since Boris Johnson announced to the UK Houses of Parliament that Britain would be dropping almost all Covid restrictions, the virus has bounced back, and the UK is facing yet another fresh wave of disease and death. More...
Hong Kong: Omicron BA.2 with S:I1221T mutation designated BA.2.2
The dominant BA.2 lineage in Hong Kong with the spike mutation at I1221T has been designated BA.2.2. More...
Germany: Covid test positivity at 51.9%
“The positive rate determined by ALM eV rose significantly and reached 51.9 percent (previous week: 45.6 percent), the highest value since the beginning of the pandemic. More...