Category: Testing
USA: three coronavirus vaccine breakthrough cases at the New York Yankees – UPDATED: There are now EIGHT vaccine breakthrough cases at the Yankees
The New York Yankees defied vaccine odds when two coaches and a staff member tested positive for COVID-19 this week despite being fully vaccinated. More...
UK: 1600 cases of Delta variant B.1.617.2 in Britain, now at >8% of total
According to the Covid-19 genomics UK consortium database, in sequences up to 11th May, there have been 1,604 instances of B.1.617.2, making it the second most common variant in the UK. More...
Just 2% of coronavirus−positive individuals carry 90% of the virus circulating in communities
We analyzed data from saliva-based COVID-19 screening deployed on the University of Colorado Boulder campus. More...
France: Breton coronavirus variant B.1.616 – “A new Sars-Cov-2 variant poorly detected by RT-PCR on nasopharyngeal samples, with high lethality”
We report a nosocomial outbreak of COVID-19 cases related to a new variant, B.1.616, characterized by poor detection by RT-PCR tests on nasopharyngeal samples despite typical clinical, radiological, and biological features of COVID-19. More...
Mink: 100% infection, recovery and then 75% re-infection of farmed mink
On a mink farm with about 15,000 animals, over 75% tested positive for SARS-CoV-2 RNA in throat swabs and 100% of tested animals were seropositive. More...
Seychelles: a population of 100,000 that has 900 coronavirus vaccine breakthrough cases
Covid-19 cases in The Seychelles, where 57% of the population have been fully inoculated with Sinopharm shots, increased to 2,486 people – 37 per cent of whom have had two doses of the vaccine. More...
A coronavirus variant with T205I and D399N mutations that affects antigen test performance
“While determining the analytical sensitivity of the Quidel Sofia SARS 24 Antigen FIA test (Sofia 2), we uncovered a high viral load specimen that repeatedly tested negative by this antigen test. More...
UK: surge testing for Delta coronavirus variant in Nottingham
Targeted testing is to start in Nottingham, UK for two weeks after a rise in cases of the Indian variant of Covid.
India: 16% vaccine breakthrough in Delhi hospital coronavirus study
A small-scale study on 113 healthcare workers who had received at least one vaccine dose at a private hospital in Delhi found that 18 tested positive for Covid but all except one had mild symptoms. More...
Maldives: 60% positivity rate in Greater Male – “High chance of new coronavirus variant”
The Maldives Health Protection Agency revealed on Sunday that three out of five samples tested in Greater Male’ Area result in a COVID positive case. More...