Tag: test
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...
India: Gujurat doctors seeing an increasing number of coronavirus cases where patients have negative RT-PCR tests but CT scans reveal significant infection in the lungs
The medical fraternity in Gujarat have come across an increasing number of cases where patients test negative in RT-PCR report but a high-resolution CT (HRCT) reveals significant infection in the lungs. 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...
Ninth case of Breton Variant of coronavirus found in France
“Professor Arnaud Fontanet, member of the scientific council, indicated Tuesday morning on on BFMTV that a ninth case of this Breton variant had been confirmed. More...
France coronavirus Breton variant: “It worries us as it is more difficult to detect by nasopharyngeal swab and can therefore go unnoticed.”
Will the measures announced be enough to curb the epidemic in France? More...
Danish study: Protection against coronavirus reinfection is just 80·5%, and less than 50% for those 65yrs+.
Protection against repeat infection was 80·5%. Among those aged 65 years and older, observed protection against repeat infection was 47·1%. More...
New French coronavirus variant may be invisible to PCR tests
French authorities are investigating a new coronavirus variant, derived from clade 20C, found in the western Brittany region that is more difficult for tests to detect, though for now it does not appear to be more dangerous or contagious. More...
Aldi selling coronavirus self-testing kits in Germany
The German supermarket chain, Aldi, has begun to sell COVID-19 self-testing kits in Germany and, according to Der Westen daily, the kits are selling like hot cakes. More...
Denmark considers compulsory coronavirus testing
Prime Minister Mette Frederiksen said that it must be ensured that “those who do not want to be tested will actually be tested anyway.” More...
UK alert issued after Brazil P1 Manaus variant was found in a coronavirus test without a name on it
UK health officials want anyone who took a test on February 12 or 13 and has not yet had their result or did not complete their registration card to get in touch immediately. More...