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The Coronavirus is Not Less Potent, Despite a Claim
A report out of Italy prompts swift rebuttals from multiple experts
The claim by an Italian doctor on Sunday that the coronavirus that causes Covid-19 no longer exists there led to an article suggesting the virus was losing potency. Experts swiftly dismissed the suggestion.
“In reality, the virus clinically no longer exists in Italy,” Alberto Zangrillo, head of the San Raffaele Hospital in Milan, said. “The swabs performed over the past 10 days have showed a viral load that is absolutely infinitesimal in quantitative terms compared to those carried out a month or two months ago.” He added: “Someone has to take responsibility for terrorizing the country.”
(“Viral load” is the amount of virus found in a test sample from a person, reflecting how well a virus is replicating in that person.)
The story was picked up by Reuters, with the headline “New coronavirus losing potency,” getting widespread attention.
“He is wrong,” tweeted Angela Rasmussen, a virologist and research scientist at the Center of Infection and Immunity at the Columbia University School of Public Health. “There is no evidence that the virus is losing potency anywhere. There is less transmission, which means fewer hospitalized patients and fewer…
