‘Earlier signs of coronavirus’ in sewage samples in Brazil

‘Earlier signs of coronavirus’ in sewage samples in Brazil

Brazilian researchers say they found evidence of the pathogen in waste water in November, 91 days before the first case was detected in the country. The presence of the virus was ‘modest’ until it peaked in March, according to the study. 

Source: Article titled, "‘Earlier signs of coronavirus’ in sewage samples in Brazil" by Stephen Cheng, SCMP.com, 3rd July 2020, "https://www.scmp.com/news/world/americas/article/3091757/earlier-signs-coronavirus-sewage-samples-brazil" (last accessed 3rd July 2020).

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