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Montevideo, October 21st 2021 - 15:24 UTC

 

 

WHO experts deny Covid-19 was losing potency, as asserted by Italian epidemiologist

Tuesday, June 2nd 2020 - 08:30 UTC
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Professor Alberto Zangrillo, head of intensive care at Italy's San Raffaele Hospital, on Sunday told state television that the new coronavirus “clinically no longer exists” Professor Alberto Zangrillo, head of intensive care at Italy's San Raffaele Hospital, on Sunday told state television that the new coronavirus “clinically no longer exists”
There is no data to show the new coronavirus is changing significantly, either in its form of transmission or in the severity of the disease it causes, WHO epidemiologists said. There is no data to show the new coronavirus is changing significantly, either in its form of transmission or in the severity of the disease it causes, WHO epidemiologists said.

Two World Health Organization experts and a range of other scientists said on Monday there was no evidence to support an assertion by a high profile Italian doctor that the coronavirus causing the COVID-19 pandemic has been losing potency.

Professor Alberto Zangrillo, head of intensive care at Italy's San Raffaele Hospital in Lombardy, which bore the brunt of Italy's COVID-19 epidemic, on Sunday told state television that the new coronavirus “clinically no longer exists”.

But WHO epidemiologist Maria Van Kerkhove, as well as several other experts on viruses and infectious diseases, said Zangrillo's comments were not supported by scientific evidence.

There is no data to show the new coronavirus is changing significantly, either in its form of transmission or in the severity of the disease it causes, they said.

“In terms of transmissibility, that has not changed, in terms of severity, that has not changed,” Van Kerkhove told reporters.

It is not unusual for viruses to mutate and adapt as they spread, and the debate on Monday highlights how scientists are monitoring and tracking the new virus. The COVID-19 pandemic has so far killed more than 370,000 people and infected more than 6 million.

Martin Hibberd, a professor of emerging infectious disease at the London School of Hygiene & Tropical Medicine, said major studies looking at genetic changes in the SARS-CoV-2 virus that causes COVID-19 did not support the idea that it was becoming less potent, or weakening in any way.

“With data from more than 35,000 whole virus genomes, there is currently no evidence that there is any significant difference relating to severity,” he said in an emailed comment.

Zangrillo, well known in Italy as the personal doctor of former Prime Minister Silvio Berlusconi, said his comments were backed up by a study conducted by a fellow scientist, Massimo Clementi, which Zangrillo said would be published next week.

“We have never said that the virus has changed, we said that the interaction between the virus and the host has definitely changed, ” Zangrillo said. He said this could be due either to different characteristics of the virus, which he said they had not yet identified, or different characteristics in those infected.

 

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