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New Delhi, Feb 8: Arvind Kejriwal is set to return as Delhi chief minister and his Aam Aadmi Party (AAP) will virtually sweep the assembly elections, exit polls predicted Saturday.

As polling came to a close at 6 pm, with the Election Commission of India (ECI) projecting a voter turnout at 60.24% (as of 9:50 pm), a poll of polls covering 10 exit polls gave 52 seats to AAP, 17 to the Bharatiya Janata Party and one to the Indian National Congress.

The polls, which are sample surveys conducted among voters exiting polling booths, signalled that the Delhi voter responded to AAP’s campaign that focused on “kaam”, or getting work done.

Kejriwal, a former civil servant and activist who stormed into electoral politics with an anti-corruption campaign in 2013, led a campaign focusing on the development work his government did in Delhi, especially in education and healthcare, as well as sops such as lower electricity bills and free bus rides for women.

The exit polls gave AAP between 47 and 68 seats in the 70-member Assembly.

They predicted an absolute rout for Congress, which ruled Delhi for three terms between 1998 and 2013. The maximum seats to AAP were given by India Today TV-Axis exit poll, which predicted 59-68 seats for the party, while giving 2-11 for the BJP and none to the Congress.

If these figures hold, the results will come as a disappointment for the BJP, which had hoped its sweep in the Lok Sabha elections in 2019 would reflect in the assembly polls.

Delhi’s voter turnout saw a sharp fall over the 2015 elections. According to the Election Commission of India, voter turnout till 9 pm was projected at 60.24% — lower than 67.12% in 2015.

Traditionally, a lower voter turnout is read as a vote for the incumbent.

The voter turnout in Delhi has been similar during the Congress regime under Sheila Dikshit, when she won consecutive terms. In 2003, when Delhi voted a second time for the Dikshit government, the voter turnout was 53.42%, and a comparable 57.58% was the turnout in 2008.

Later, in two consecutive elections — 2013 and 2015 — voters turned out in big numbers to vote Dikshit out of power. In 2013, 65.63% of Delhi turned out and the percentage increased further to 67.12% in 2015.

Across constituencies, Matia Mahal in Central Delhi registered the highest voter turnout of 68.36%, whereas Bawana assembly constituency in North district saw the lowest turnout at 41.95%. Among districts, North East district registered the highest (62.75%) voter turnout, while the lowest turnout was recorded in South East district (54.15%), according to the ECI app.

New Delhi, Jun 29: Delhi Chief Minister Arvind Kejriwal on Monday paid tribute to the senior doctor of city government-run LNJP Hospital who died battling COVID-19, saying the society has "lost a very valuable fighter".

The 52-year-old doctor served in the front line of the war against the pandemic at the government facility, and died of novel coronavirus infection in an ICU of a private hospital on Sunday.

"Dr Aseem Gupta, a senior doctor of LNJP Hospital succumbed to Covid yday. He was known for going out of his way to serve his patients. We have lost a very valuable fighter. Delhi salutes his spirit and sacrifice...," Kejriwal tweeted.

The chief minister also said in his tweet that he has spoken to Dr Gupta''s wife and "offered my condolences and support".

LNJP Hospital is a dedicated COVID-19 facility under the Delhi government. It recently completed 100 days of being declared a coronavirus facility.

"LNJP Hospital has displayed great fortitude in the face of acute challenges. It''s recovery rate is going up, death rate is reducing, ICU capacity is being ramped up - the hospital is saving so many lives," the chief minister said.

A condolence meeting to pay respect to Dr Gupta has been scheduled at 1 pm in the office of the Medical Director of the hospital, a senior official said.

The doctor, a consultant anaesthesiologist died at the Max hospital, Saket in south Delhi, a private dedicated COVID-19 facility.

"He was a front line anaesthesia specialist who contracted COVID-19 infection while on duty. He tested positive on June 6, when he had mild symptoms and was shifted to a quarantine facility. His symptoms aggravated on June 7 and he was admitted in the Intensive Care Unit of the LNJP Hospital," the LNJP Hospital said in a statement on Sunday.

He was shifted to Max Hospital, Saket on June 8 on his request, it said.

The doctor was battling the disease for the last two weeks at Max Hospital, where he succumbed to the illness on Sunday, the statement said.

He was Specialist, Grade I, in the Department of Anaesthesia at the LNJP Hospital, the statement said.

Several hundreds of healthcare workers have been infected with COVID-19 till date in Delhi.

The coronavirus can stay aloft for hours in tiny droplets in stagnant air, infecting people as they inhale, mounting scientific evidence suggests.

This risk is highest in crowded indoor spaces with poor ventilation, and may help explain superspreading events reported in meatpacking plants, churches and restaurants.

It’s unclear how often the virus is spread via these tiny droplets, or aerosols, compared with larger droplets that are expelled when a sick person coughs or sneezes, or transmitted through contact with contaminated surfaces, said Linsey Marr, an aerosol expert at Virginia Tech.

Follow latest updates on the Covid-19 pandemic here

Aerosols are released even when a person without symptoms exhales, talks or sings, according to Marr and more than 200 other experts, who have outlined the evidence in an open letter to the World Health Organization.

What is clear, they said, is that people should consider minimizing time indoors with people outside their families. Schools, nursing homes and businesses should consider adding powerful new air filters and ultraviolet lights that can kill airborne viruses.

What does it mean for a virus to be airborne?

For a virus to be airborne means that it can be carried through the air in a viable form. For most pathogens, this is a yes-no scenario. HIV, too delicate to survive outside the body, is not airborne. Measles is airborne, and dangerously so: It can survive in the air for up to two hours.

For the coronavirus, the definition has been more complicated. Experts agree that the virus does not travel long distances or remain viable outdoors. But evidence suggests it can traverse the length of a room and, in one set of experimental conditions, remain viable for perhaps three hours.

How are aerosols different from droplets?

Aerosols are droplets, droplets are aerosols — they do not differ except in size. Scientists sometimes refer to droplets fewer than 5 microns in diameter as aerosols. (By comparison, a red blood cell is about 5 microns in diameter; a human hair is about 50 microns wide.)

From the start of the pandemic, the WHO and other public health organizations have focused on the virus’s ability to spread through large droplets that are expelled when a symptomatic person coughs or sneezes.

These droplets are heavy, relatively speaking, and fall quickly to the floor or onto a surface that others might touch. This is why public health agencies have recommended maintaining a distance of at least 6 feet from others, and frequent hand washing.

But some experts have said for months that infected people also are releasing aerosols when they cough and sneeze. More important, they expel aerosols even when they breathe, talk or sing, especially with some exertion.

Scientists know now that people can spread the virus even in the absence of symptoms — without coughing or sneezing — and aerosols might explain that phenomenon.

Because aerosols are smaller, they contain much less virus than droplets do. But because they are lighter, they can linger in the air for hours, especially in the absence of fresh air. In a crowded indoor space, a single infected person can release enough aerosolized virus over time to infect many people, perhaps seeding a superspreader event.

For droplets to be responsible for that kind of spread, a single person would have to be within a few feet of all the other people, or to have contaminated an object that everyone else touched. All that seems unlikely to many experts: “I have to do too many mental gymnastics to explain those other routes of transmission compared to aerosol transmission, which is much simpler,” Marr said.

Can I stop worrying about physical distancing and washing my hands?

Physical distancing is still very important. The closer you are to an infected person, the more aerosols and droplets you may be exposed to. Washing your hands often is still a good idea.

What’s new is that those two things may not be enough. “We should be placing as much emphasis on masks and ventilation as we do with hand washing,” Marr said. “As far as we can tell, this is equally important, if not more important.”

Should I begin wearing a hospital-grade mask indoors? And how long is too long to stay indoors?

Health care workers may all need to wear N95 masks, which filter out most aerosols. At the moment, they are advised to do so only when engaged in certain medical procedures that are thought to produce aerosols.

For the rest of us, cloth face masks will still greatly reduce risk, as long as most people wear them. At home, when you’re with your own family or with roommates you know to be careful, masks are still not necessary. But it is a good idea to wear them in other indoor spaces, experts said.

As for how long is safe, that is frustratingly tough to answer. A lot depends on whether the room is too crowded to allow for a safe distance from others and whether there is fresh air circulating through the room.

What does airborne transmission mean for reopening schools and colleges?

This is a matter of intense debate. Many schools are poorly ventilated and are too poorly funded to invest in new filtration systems. “There is a huge vulnerability to infection transmission via aerosols in schools,” said Don Milton, an aerosol expert at the University of Maryland.

Most children younger than 12 seem to have only mild symptoms, if any, so elementary schools may get by. “So far, we don’t have evidence that elementary schools will be a problem, but the upper grades, I think, would be more likely to be a problem,” Milton said.

College dorms and classrooms are also cause for concern.

Milton said the government should think of long-term solutions for these problems. Having public schools closed “clogs up the whole economy, and it’s a major vulnerability,” he said.

“Until we understand how this is part of our national defense, and fund it appropriately, we’re going to remain extremely vulnerable to these kinds of biological threats.”

What are some things I can do to minimize the risks?

Do as much as you can outdoors. Despite the many photos of people at beaches, even a somewhat crowded beach, especially on a breezy day, is likely to be safer than a pub or an indoor restaurant with recycled air.

But even outdoors, wear a mask if you are likely to be close to others for an extended period.

When indoors, one simple thing people can do is to “open their windows and doors whenever possible,” Marr said. You can also upgrade the filters in your home air-conditioning systems, or adjust the settings to use more outdoor air rather than recirculated air.

Public buildings and businesses may want to invest in air purifiers and ultraviolet lights that can kill the virus. Despite their reputation, elevators may not be a big risk, Milton said, compared with public bathrooms or offices with stagnant air where you may spend a long time.

If none of those things are possible, try to minimize the time you spend in an indoor space, especially without a mask. The longer you spend inside, the greater the dose of virus you might inhale.