Actor Rahul Roy joins BJP

Hyderabad, Apr 30: A 45-day-old baby boy, who tested positive for COVID-19 when he was 20-days-old, was discharged from a state-run hospital here on Wednesday after his full recovery.

The baby from Mahabubnagar, who contracted the infection from his father, was 20-days-old at the time of admission (on April 4), a COVID-19 bulletin said.

He was discharged after being cured, it said. The baby, probably the youngest to contract the infection in the country, was treated at the state-run Gandhi hospital in the city.

State Health Minister E Rajender expressed happiness over the baby being discharged after recovery.

An official release said 35 people were discharged today and 13 of them were children.

Those who were discharged thanked the doctors and medical personnel of the hospital and the minister has lauded the doctors and other medical staff for their efforts, it said.

Among those undergoing treatment at the hospital, 10 are being treated in the ICU.

New Delhi, May 6: The death toll due to COVID-19 rose to 1,694 and the number of cases climbed to 49,391 in the country on Wednesday, registering an increase of 126 deaths and 2,958 cases in the last 24 hours, the Union Health Ministry said.

The number of active COVID-19 cases is 33,514. A total of 13,160 people have recovered and one patient has migrated, it said.

"Thus, around 28.71 per cent patients have recovered so far," a senior health ministry official said.

The total number of cases include 111 foreign nationals.

A total of 111 deaths were reported since Tuesday evening, of which 49 fatalities were reported from Gujarat, 34 from Maharashtra, 12 from Rajasthan, seven from West Bengal, three from Uttar Pradesh, two each from Punjab and Tamil Nadu and one each from Karnataka and Himachal Pradesh, the ministry said.

Of the 1,694 fatalities, Maharashtra tops the tally with 617 fatalities. Gujarat comes second with 368 deaths, followed by Madhya Pradesh at 176, West Bengal at 140, Rajasthan at 89, Delhi at 64, Uttar Pradesh at 56 and Andhra Pradesh at 36.

The death toll reached 33 in Tamil Nadu, 29 in Telengana, while Karnataka has reported 29 fatalities.

Punjab has registered 25 COVID-19 deaths, Jammu and Kashmir eight, Haryana six and Kerala and Bihar four deaths each.

Jharkhand has recorded three COVID-19 fatalities.

Meghalaya, Chandigarh, Himachal Pradesh, Odisha, Assam and Uttarakhand have reported one fatality each, according to the ministry data.

According to the health ministry data updated in the morning, the highest number of confirmed cases in the country are from Maharashtra at 15, 525, followed by Gujarat at 6,245, Delhi at 5,104, Tamil Nadu at 4,058, Rajasthan at 3,158, Madhya Pradesh at 3,049 and Uttar Pradesh at 2,880.

The number of COVID-19 cases has gone up to 1,717 in Andhra Pradesh and 1,451 in Punjab.

It has risen to 1,344 in West Bengal, 1,096 in Telengana, 741 in Jammu and Kashmir, 671 in Karnataka, 548 in Haryana and 536 in Bihar.

Kerala has reported 502 coronavirus cases so far, while Odisha has 175 cases. A total of 125 people have been infected with the virus in Jharkhand and 111 in Chandigarh.

Uttarakhand has reported 61 cases, Chhattisgarh 59 cases, Assam 43, Himachal Pradesh 42 and Ladakh 41.

Thirty-three COVID-19 cases have been reported from the Andaman and Nicobar Islands.

Tripura has registered 43 cases, Meghalaya has reported 12 and Puducherry nine, while Goa has seven COVID-19 cases.

Manipur has two cases. Mizoram, Arunachal Pradesh and Dadar and Nagar Haveli have reported a case each.

"Our figures are being reconciled with the ICMR," the ministry said on its website.

State-wise distribution is subject to further verification and reconciliation, it said.

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.