Category: Origins
WHO mission to Wuhan finds possible signs of wider original coronavirus outbreak in 2019
Investigators from the World Health Organization (WHO) looking into the origins of coronavirus in China have discovered signs the outbreak was much wider in Wuhan in December 2019 than previously thought, and are urgently seeking access to hundreds of thousands of blood samples from the city that China has not so far let them examine. More...
Unexpected detection of SARS-CoV-2 antibodies in Italy in September 2019
Table 1 reports anti-SARS-CoV-2 RBD antibody detection according to the time of sample collection in Italy. More...
Evidence of early circulation of Sars-CoV-2 in France
Using serum samples routinely collected in 9144 adults from a French general population-based cohort, we identified 353 participants with a positive anti-SARS-CoV-2 IgG test, among whom 13 were sampled between November 2019 and January 2020 and were confirmed by neutralizing antibodies testing. More...
The Alpha variant may have evolved within a chronically-infected individual
The unusual genetic divergence of lineage B.1.1.7 may have resulted, at least in part, from virus evolution with a chronically-infected individual
“What evolutionary processes or selective pressures might have given rise to lineage B.1.1.7? More...