Category: PCR
India: Jaipur Zoo lion tests positive for coronavirus. A white tiger, a panther, and another lion also suspected to be infected
An Asiatic lion has tested positive for Covid in Jaipur’s Nahargarh Biological Park. More...
Cameroon: travel-driven emergence and spread of SARS-CoV-2 lineage B.1.620 with multiple VOC-like mutations and deletions in Europe
“In this study we have presented evidence that a SARS-CoV-2 lineage designated B.1.620, first detected in Europe in late February, is associated with Central Africa, where it appears to circulate at very high prevalence, and has been introduced into Europe and the US on multiple occasions. More...
WHO: Newly designated VOC within lineage B.1.617 – update on Delta coronavirus variant
In consultation with the WHO SARS-CoV-2 Virus Evolution Working Group, WHO has determined that viruses within the lineage B.1.617 have been characterized as a VOC. 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...
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...
USA: 3,084 coronavirus vaccine breakthrough cases in California
Between Jan. 1 and April 28, California public health officials recorded 3,084 breakthrough cases of COVID-19 in people who were fully vaccinated. More...