Coronavirus traces found in Mar 2019 Spanish sewage sample: Research
Traces of coronavirus have been found in a sample of Barcelona waste water which was collected nine months before COVID-19 was identified in China, according to a research by the University of Barcelona. The traces
Traces of coronavirus have been found in a sample of Barcelona waste water which was collected nine months before COVID-19 was identified in China, according to a research by the University of Barcelona. The traces were found in the sample collected on March 12, 2019. “The levels of SARS-CoV-2 were low but were positive,” the research leader said.