A Tale Of Four Cities: Wuhan, Seattle, New York, Chicago
A new study from Northwestern University in Chicago, available as an unreviewed pre-print, identifies three distinct strains of SARS-CoV-2 currently circulating in Chicago. The three strains, called clades, can be distinguished from one another by the sequence of viral RNA. The variant the authors call clade 2 was introduced into Chicago in mid-January 2020 by a… Read More »
