PRO/AH/EDR> COVID-19 update (15): variants wastewater, Canada, decr. infective time, WHO, global

COVID-19 — Switzerland
Abstract
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The SARS-CoV-2 lineages B.1.1.7 and 501.V2, which were first detected in the United Kingdom and South Africa, respectively, are spreading rapidly in the human population. Thus, there is an increased need for genomic and epidemiological surveillance in order to detect the strains and estimate their abundances. Here, we report a genomic analysis of SARS-CoV-2 in 48 raw wastewater samples collected from 3 wastewater treatment plants in Switzerland between [9 Jul 2020] and [21