Traces of the novel coronavirus have been discovered in Barcelona sewage water months before the first case of the dreaded disease was reported in China, a new study by a group of Spanish researchers claims.
Scientists with the Enteric Virus Group at the University of Barcelona detected the presence of the virus in frozen samples of the city’s wastewater collected as early as March 12, 2019. The group, led by Rosa Maria Pintó and Albert Bosch, was exploring the potential of wastewater analysis in early warning systems, and the prevention of future Covid-19 outbreaks, when it made the surprise discovery.
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