Category: Vaccine Breakthrough
Preprint: BA.2.12.1, BA.4, and BA.5 substantially escape neutralizing antibodies
These data show that the BA.2.12.1, BA.4, and BA.5 subvariants substantially escape neutralizing antibodies induced by both vaccination and infection. More...
France: BA.5 at 41% of sequences in week 24, 2022
“Progressive replacement of BA.2 by BA.5 with a strong increase in detection (41%), increased presence of the mutation at position L452 in screening (64% in week 24 vs 47% in week 23), linked to the increase of certain Omicron sub-lineages including BA.4 and BA.5.” More...
UK ONS: Large increase in reinfections since Omicron
ONS: “There has been a large increase in the rates for all re-infections and re-infections with a high viral load since the Omicron variants became most common.” More...
UK: Vaccine derived polio outbreak in London *1 update*
The Guardian newspaper is reporting the discovery of vaccine derived Polio in wastewater from London today:
“UK Public health officials have declared a national incident after routine surveillance of wastewater in north and east London found evidence of community transmission of poliovirus for the first time. More...
Portugal: 20% of all Covid-19 pandemic infections have occurred since BA.5 was first reported
The almost 990,000 confirmed cases in April and May 2022 represent 21% of infections since the beginning of the Covid-19 pandemic, while the 1,455 deaths constitute about 6% of total deaths. More...
Denmark: BA.5 up 135% in a month
The latest weekly epidemiological file for Denmark has just been published. More...
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...
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...
Spain: Fully boosted healthcare worker reinfected with SARs-CoV-2 after just 20 days
A fully boosted 31-year-old Spanish woman has contracted two different SARS-CoV-2 variants within three weeks. More...