Category: Variants
60% increase in coronavirus infections in French schools in one week
The number of Covid-19 contaminations explodes among the children: they were 15,484 infected on March 19, against 9,221 the previous week, an increase partly attributable to the increase in saliva tests, which reached 250,000 tests carried out on Friday evening. More...
Le Monde: coronavirus incidence rate in Ile-de-France is nearly 550 cases per 100,000 inhabitants
In the reports published Monday, March 22 by Public Health France, the most spectacular increase is undoubtedly that of contaminations. More...
Outbreak of South African coronavirus variant B.1.351 in Uppsala, Sweden
By March 15, 18 cases had been identified by mutation screening, but the region feared the number was just the tip of the iceberg. 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...
The South African and Brazilian coronavirus variants can now infect mice
Here we show that unlike the initial virus, VOCs are able to infect common laboratory mice, replicating to high titers in the lungs. More...
Recombinant SARS-CoV-2 coronavirus genomes involving lineage B.1.1.7 in the UK
A survey of SARS-CoV-2 genome sequences from the UK has detected a number of variants that had been assigned to the B.1.1.7 lineage but which do not contain the full set of B.1.1.7 ‘lineage defining’ mutations. More...
Myocarditis in naturally infected pets with the British variant B.1.1.7 of coronavirus
We report the first cases of infection of domestic cats and dogs by the British B.1.1.7 variant of SARS-CoV-2 diagnosed at a specialist veterinary hospital in the South-East of England. More...
Sharply rising coronavirus incidence rate in Côtes-d’Armor, Brittany, epicentre of new 20C variant
The coronavirus infection figures for the Covid-19 epidemic in Brittany this Friday show a sharply increasing incidence in the Côtes-d’Armor and Ille-et-Vilaine. More...
New Breton variant of coronavirus that evades PCR tests “a specific variant of the 20C clade”
A new variant (derived from Clade 20C) has been detected in the context of a cluster at the Lannion hospital center, in the Côtes d’Armor. More...
Efficacy of the AstraZeneca coronavirus vaccine against the B.1.351 South African Variant
Study conclusions: A two-dose regimen of the ChAdOx1 nCoV-19 [AstraZeneca] vaccine did not show protection against mild-to-moderate Covid-19 due to the B.1.351 [South Africa ] variant. More...









