epidemiology

Changing composition of SARS-CoV-2 lineages and rise of Delta variant in England
We examine trends in the prevalence of non-B.1.1.7 lineages in London and other English regions using passive-case detection PCR data, …
Track Omicron’s spread with molecular data
There exists consensus that the traditional means by which safety of chemicals is assessed—namely through reliance upon apical outcomes …