Covid-19 mutants were found in sewage, weeks before they appeared in screening tests

Covid-19 mutants were found in sewage, weeks before they appeared in screening tests

Researchers in the US state of California were able to extract copious data from toilet faeces, as scientists were able for the first time to detect certain mutations of the SARS-CoV-2 virus in sewage weeks before they appeared in testing centers, says Rob Knight, Microbiologist at the University of California, San Diego, and co-author of …

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