An analysis of SARS-CoV-2 genomes from early COVD-19 patients in Scotland shows the virus was introduced there multiple times, typically from continental Europe.
Researchers analyzed viral samples from Boston early in the pandemic to study transmission events, including at a large international conference held there.
By sequencing Yersinia pestis isolates from several 14th to 18th century sites, researchers characterized a Second Plague lineage and proposed a reservoir for it.
By combining genome sequence data with phylogenetics and other clues, two teams looked at the SARS-CoV-2 introductions that sparked outbreaks in North America and Europe.
Imperial College London researchers are shifting away from testing a COVID-19 vaccine to focus on combating newly emerging SARS-CoV-2 variants, the Independent says.
