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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."

Bengaluru, Jun 5: With the easing of COVID-19 lockdown norms under unlock 1.0, the Karnataka government on Thursday permitted state transport buses to operate even during the night curfew hours 9 pm to5 am.

Autos, taxis and cabs have also been given permission to operate during these hours for picking commuting passengers from pickup points or bus stands.

Chief Secretary T M Vijay Bhaskar in an order said, state transport corporations (BMTC, KSRTC, NEKRTC and NWKRTC) buses have been allowed to operate during night curfew hours from 9 pm to 5 am.

On the basis of their bus tickets, passengers would be allowed to commute to bus stand or from there to home, in accordance with the COVID-19 control measures, SOPs and other guidelines, it said.

Further, during the curfew hours autos, taxis and cabs have been given permission to pick commuters from pickup points or bus stands, it added.

Earlier, the government had revised the night curfew time from the previous 7 pm-7 am to 9 pm-5 am, and said the movement of individuals shall remain strictly prohibited between 9 pm and 5 am throughout the state, except for essential activities.

The government has also said that jungle lodges and resorts, also private organisations providing similar facilities, along with activities they provide like safari, trekking among others would be permitted from June 8, in compliance with the guidelines and SOP issued and following the social distancing norms.  

New Delhi, Jan 22: The BJP on Wednesday cited statements of several opposition leaders to accuse them of "abusing" Hindus for their appeasement politics and referred to the Congress as "Muslim League Congress".

Seeking apologies from Congress president Sonia Gandhi and NCP chief Sharad Pawar, BJP spokesperson Sambit Patra said leaders of these parties have used the ongoing protests against the amended citizenship law to "abuse" Hindus.

Chavan has said in a public meeting that the Congress decided to join hands with the Shiv Sena to form government in Maharashtra as Muslims wanted the party to stop the BJP, Patra stated, claiming that it shows the opposition party has nothing to do with people belonging to other religions, including Hindus.

Patra also referred to a statement from an NCP leader to attack the opposition.

Asked about Congress leader Mallikarjun Kharge's reported jibe at the RSS for its "non-participation" in the freedom movement, the BJP leader shot back, asking if parents of Sonia Gandhi, who is of Italian origin, had fought in India's independence struggle.

The Indian National Congress, he said referring to the opposition party's full name, should be called "Muslim League Congress".