Geographical and temporal distribution of SARS-CoV-2 clades in the WHO European Region, January to June 2020.
Euro Surveill. 2020 Aug;25(32):2001410. doi: 10.2807/1560-7917.ES.2020.25.32.2001410.
Euro Surveill. 2020.
PMID: 32794443
Free PMC article.