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London/Milan, Jun 2: 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.

Zangrillo told Reuters: "We have never said that the virus has changed, we said that the interaction between the virus and the host has definitely changed."

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.

The study by Clementi, who is director of the microbiology and virology laboratory of San Raffaele, compared virus samples from COVID-19 patients at the Milan-based hospital in March with samples from patients with the disease in May.

"The result was unambiguous: an extremely significant difference between the viral load of patients admitted in March compared to" those admitted last month, Zangrillo said.

Oscar MacLean, an expert at the University of Glasgow's Centre for Virus Research, said suggestions that the virus was weakening were "not supported by anything in the scientific literature and also seem fairly implausible on genetic grounds."

As the Indian workforce navigates a shrinking job market in lockdown times, two in five professionals believe that the number of jobs and scheduled interviews will decrease in the next two weeks, a new LinkedIn survey said on Tuesday.

The news comes as bittersweet for Indian professionals as more than one in three stated they will now spend more time working on their resumes and preparing for interviews.

Professionals from healthcare, manufacturing and corporate service industries anticipate a decrease in personal spending and personal investments in the next six months, according to the findings of the fortnightly LinkedIn Workforce Confidence Index based on responses from 2,903 professionals in the country.

This findings showed that while India's overall confidence remains steady, the country's confidence in jobs is beginning to trend downward.

However, employees at large enterprises (firms with over 10,000 workers) are more confident about the future of their employers when compared to their peers from mid-market and SMB companies.

The findings showed that 41 % of enterprise professionals think their companies will do better in the next six months, while 63 % think their companies will be better off one year from now.

However, "the enterprise professionals are least confident about the future of their jobs, finances and careers, when compared to their SMB and mid-market peers".

The findings showed that 52 % of healthcare, 48% of corporate services, and 41 % of manufacturing professionals anticipate a decrease in investments in the next 6 months.

Over the past three months, many organizations have shifted to a remote working model to circumvent the pandemic and ensure business continuity.

Three in five marketing professionals feel confident about being effective when working remotely, joined by more than half of project management and engineering professionals, who are also confident about the effectiveness of remote working.

In contrast to this optimism, only 39 % of HR, 36% of finance, and 31 % of education professionals think they would be effective when working remotely, said the survey.