ROME (BLOOMBERG) - The coronavirus was present in Milan and Turin's sewage systems as early as December, two months before the first Covid-19 cases were detected in Italy, a new study shows.. Read more at straitstimes.com.
ROME - The coronavirus was present in Milan and Turin's sewage systems as early as December, two months before the first Covid-19 cases were detected in Italy, a new study shows.
"Traces of Sars-Cov-2 have been found in samples of waste water taken in Milan and Turin on Dec 18 and in Bologna on Jan 29," said Dr Giuseppina La Rosa, who led the research for a coming study from the country's ISS National Health Institute.The report is part of a regular round of testing on environmental virology that's been carried out since 2007 by the ISS's environment and health department.
Hospital tests in the coastal region of Liguria have also indicated the likelihood that the virus was present in the country at the end of last year, Italian newspapers have reported. Italy's earliest reported domestic virus cases have been linked to a man who sought treatment in mid-February of this year, though some people arriving from abroad had been diagnosed with the disease earlier in the winter.
The new ISS study"may contribute to shedding light on the first phase of the virus's circulation in Italy," Dr La Rosa said. The results are consistent with similar tests carried out on waste water in Barcelona and with clinical tests on patients hospitalised in France, which showed biological traces of the virus as early as last December.
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