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New Delhi, May 23: The nationwide lockdown will no longer help India in its fight against COVID-19, and in its place community-driven containment, isolation and quarantine strategies have to be brought into play, leading virologist Shahid Jameel said.

The recipient of Shanti Swarup Bhatnagar Prize for Science and Technology also stressed that testing should be carried out vigorously to identify coronavirus hotspots and isolate those areas.

"Our current testing rate at 1,744 tests per million population is one of the lowest in the world. We should deploy both antibody tests and confirmatory PCR tests. This will tell us about pockets of ongoing infection and past (recovered) infection. This will provide data to open up gradually and let economic activity resume," Jameel told PTI in an interview.

He stressed that testing has to be dynamic to continuously monitor red, orange and green zones and change these based on that data.

About community transmission of COVID-19 in India, Jameel said the country reached that stage long ago.

"We reached community transmission a long time ago. It's just that the health authorities are not admitting it. Even ICMR's own study of SARI (severe acute respiratory illness) showed that about 40 per cent of those who tested positive for SARS-CoV-2 did not have any history of overseas travel or contact to a known case. If this is not community transmission, then what is?" he posed.

Lockdown bought India time in its fight against coronavirus, but continuing it is unlikely to yield any further dividend, Jameel said.

"Instead, community-driven local lockdowns, isolations and quarantines have to come into play. Building trust is most important so that people follow rules. A public health problem cannot be dealt with as a law-and-order problem."

The nationwide lockdown, initially imposed from March 25 to April 14, has been extended thrice and will continue at least till May 31. The virus has claimed 3,720 lives and infected over 1.25 lakh people in the country so far.

Jameel has expertise in the fields of molecular biology, infectious diseases, and biotechnology. He is the CEO of Wellcome Trust/Department of Biotechnology's India Alliance and is best known for extensive research in Hepatitis E virus and HIV.

He said COVID-19 will eventually be controlled through herd immunity, which is acquired in two ways – when a sufficient fraction of the population gets infected and recovers, and with vaccination.

"It is estimated that for SARS-CoV-2 at least 60 per cent of the population would have to be infected and recovered, or vaccinated. This will happen over the course of the next few years," Jameel said.

Herd immunity is reached when the majority of a population becomes immune to an infectious disease, either because they have become infected and recovered, or through vaccination. When that happens, the disease is less likely to spread to people who aren't immune, because there just aren't enough infectious carriers.

"India has 1.38 billion people, a population density of about 400/sq km and a healthcare system ranked at 143 in the world. If we allow 60 per cent people to get infected quickly in the hopes of herd immunity, that would mean 830 million infections," Jameel said.

"If 15 per cent need hospitalization that means about 125 million isolation beds (we have 0.3 million). If five per cent need oxygen and ventilatory support, this amounts to about 42 million oxygen support and ICU beds; we have 0.1 million oxygen support beds and 34,000 ICU beds. This would overwhelm the healthcare system causing mayhem," he said.

Jameel said if the population level mortality is 0.5 per cent that would mean 40 lakh deaths. "Are we prepared to pay this price for herd immunity in the short term? Clearly not," he said.

He said it is unlikely that a vaccine would be available by the end of the year.

"Even then, we don't know yet how long it would give protection – weeks, months, one year, a few years? I don't think we will return to pre-coronavirus days for at least the next 3-5 years. This is also a chance to evaluate if we want to return to those unsustainable, environment-damaging ways. COVID-19 is a timely warning to reform our way of living," he said.

Jameel said it is hard to predict but plausible that COVID-19 would return in second or third wave.

"Later waves come when we don't understand the disease and become lax. A comparison to Spanish Flu is not entirely valid because in 1918 no one knew what caused it. No one had seen a virus till the mid-1930s as the electron microscope needed to view those was invented in 1931," he said.

"Today we know a lot more about the pathogen, its genetic makeup, how it transmits and how to prevent it. We need to be sensible and follow expert advice," he said.

If there is any scientific evidence linking deforestation, rapid urbanisation, climate change with pandemics like COVID-19, he said zoonotic viruses -- those that jump from animals to humans -- happen so when wild animal–human contacts increase.

"Deforestation destroys animal habitats bringing them closer to humans. When you cut forests, bats come to roost on trees closer to human habitations. Their viruses in secretions/stool get transmitted to domestic animals and on to humans. This happened clearly with Nipah virus outbreak in Malaysia in 1997-98 from fruit bats to pigs to humans," he said.

"COVID-19 possibly arose in wet animal markets due to dietary habits that bring all kinds of live and dead wild animals in close contact with humans," Jameel added.

Mumbai, Jan 18: Maharashtra Tourism Minister Aaditya Thackeray on Friday said shops, restaurants, malls and pubs will remain open 24 hours on an experimental basis in a few areas of Mumbai from January 26.

The areas where these establishments will remain open all night are Fort and Kala Ghoda in south Mumbai and Bandra Kurla Complex in the west.

Thackeray had batted for all-night-open eateries and other establishments in the city during the earlier BJP-Shiv Sena regime too.

New Delhi, Jun 3: Over 1 lakh scanned copies of Indians' national IDs, including Aadhaar, PAN card and passport, have been put on dark web for sale, cyber intelligence firm Cyble said on Wednesday.

The leaked data seems to have originated from a third party and not from the government system, according to a report by Cyble.

"We came across a non-reputed actor who is currently selling over 1 lakh Indian National IDs on the dark net. With such a low reputation, ideally, we would have skipped this; however, the samples shared by the actor intrigued our interest -- and also the volume. The actor is alleged to have access to over 1 lakh IDs from different places in India," Cyble said.

The personal data leaked by cyber criminals leads to various nefarious activities such as identity thefts, scams, and corporate espionage. Many criminals use the personal details in the IDs to win trust of the people over a phone call for fraudulent activities.

Cyber criminals leak personal data of 2.9 cr job-seeking Indians on dark web for free

The Cyble researchers acquired around 1,000 IDs from the seller and confirmed that the scanned IDs belong to Indians.

"Preliminary analysis suggests that the data originated from a third party, and no indication or artefact is indicating that it came from a government system. At this point, Cyble researchers are still investigating this further -- we are hoping to share an update soon," Cyble said.

The scanned ID documents indicate that the data may have been leaked from a company's data base in the segment where they have to comply with 'Know Your Customer' (KYC) norms.

"Cyble researchers have also learned about a surge in KYC and banking scams -- leaks such as this are often used by scammers to target individuals, especially elderlies," Cyble said.

The cyber intelligence firm has recommended people to refrain from sharing personal information especially financial information over phone, e-mail or SMS.

"Regularly monitor your financial transaction, if you notice any suspicious transaction, contact your bank immediately," the company said.

In May, Cyble showed two instances where personal data of 7.65 crore Indians have been put on sale in the dark web. In one instance, the seller claimed to have sourced data of 4.75 crore Indians from online directory Truecaller and in other, the seller claimed to have sourced from job websites.

Truecaller, however, had denied the claim of breach in its database.