Category: Testing
L452R mutation is present in more than 400 SARS-CoV-2 coronavirus genomes isolated from over 20 countries
Scientists have examined the Nextstrain and GISAID databases and found that the L452R mutation is present in more than 400 SARS-CoV-2 genomes isolated from over 20 countries. More...
Transmission of SARS-CoV-2 coronavirus in domestic cats may have accelerated the fixation of S H655Y
Transmission of SARS-CoV-2 in cats involved a narrow bottleneck, with new infections founded by fewer than ten viruses. More...
France: coronavirus VOI 19B/501Y, aka HMN.19B or Henri Mondor variant could be a reinfection risk
The VOI 19B / 501Y (lineage A.27) has been detected infrequently but regularly in France since January 2021. More...
Rapid rise of coronavirus SARS-CoV-2 spike mutation T478K found in Mexico and several European countries
We report the distribution of the Spike mutation S:T478K and its recent growth in prevalence in the SARS-CoV-2 population. More...
ONS: Prevalence of Long Haul symptoms following coronavirus (COVID-19) infection in the UK
Among a sample of over 20,000 study participants who tested positive for COVID-19 between 26 April 2020 and 6 March 2021, 13.7% continued to experience symptoms for at least 12 weeks. More...
Canada: coronavirus variant P.1 outbreak spreads to Alberta
“We are currently investigating a significant #COVID19AB outbreak in Alberta involving P.1 variants of concern (the variant that originated in Brazil), linked to a returning traveller.” More...
Antigen coronavirus tests of 117,670 people gave 47% false negatives
A large, new survey of 117,670 people from Denmark’s Statens Serum Institut (SSI) showed that PCR tests found 4,069 positive samples but subsequent antigen tests captured only 2,159 of them. More...
Denmark: 2 cases of B.1.1.7 coronavirus variant found with E484K mutation
Denmark has found the first two cases of the UK coronavirus variant B.1.1.7, which has been mutated to have reduced sensitivity to antibodies, says Minister of Health Magnus Heunicke (S). More...
UK: 122,000 NHS personnel and 114,000 teachers have Long Covid
At least 122,000 NHS personnel have Long Covid, the Office for National Statistics disclosed in a detailed report that showed 1.1 million people in the UK were affected by the condition. More...
Canada: largest outbreak of P.1 coronavirus variant outside of Brazil discovered in British Columbia
The coronavirus variant that forced the Whistler Blackcomb ski resort to close is spreading rapidly in B.C. More...









