I never got punished as NCC cadet; now my reading habit suffered due to Google: PM Modi

Kashmir, Jun 14: An Army personnel was killed and two others were injured as Pakistani troops opened fire and shelled areas along the Line of Control in Poonch district of Jammu and Kashmir, officials said on Sunday.

This is the third fatality in the Pakistani firing and shelling on forward posts and villages in the twin districts of Poonch and Rajouri this month.

The officials said the latest firing and shelling from across the border took place in Shahpur-Kerni sector on Saturday night, drawing strong retaliation by the Indian Army.

Three Indian Army personnel were injured in the Pakistani firing and were immediately evacuated to hospital, where one of them succumbed to injuries, the officials said.

They said the casualties suffered by the Pakistani Army in the retaliatory action were not known immediately.

On June 4, havaldar P Mathiazhagan fell to Pakistani firing in Sunderbani sector of Rajouri district, while on June 10, Naik Gurcharan Singh lost his life in a similar incident in Rajouri sector.

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.

Mumbai, Jan 7: Against the backdrop of the attack on JNU students, the Shiv Sena on Tuesday hit out at Prime Minister Narendra Modi and Union Home Minister Amit Shah, alleging that what they wanted was happening, and said such "brutal politics" was never seen before in the country.

An editorial in Shiv Sena mouthpiece 'Saamana' further alleged that the BJP wanted to see "Hindu-Muslim riots" over the Citizenship Amendment Act, but that did not happen.

Since the BJP has been cornered over the issue of CAA, several things are happening out of "revenge", it said.

Comparing the attack on Jawaharlal Nehru University (JNU) students to the 26/11 Mumbai terror strikes, the Shiv Sena said: "divisive politics" was dangerous for the country.

It said the Union Home Ministry's decision to file cases against "unknown" attackers at JNU was laughable. "Those who entered JNU with masks are not unknown," it claimed.

On Sunday, a mob of masked young people stormed the Jawaharlal Nehru University (JNU) campus in south Delhi and targeted students in three hostels, unleashing mayhem with sticks, stones and iron rods, hitting inmates and breaking windows, furniture and personal belongings.

Nearly 34 people were injured in the violence.

"The fallout of JNU attack is being seen elsewhere in the country...what Modi and Shah want is happening. The country is in danger. Divisive politics is dangerous for the country," the Uddhav Thackeray-led party said.

Terrorists who attacked Mumbai on November 26, 2008, were also masked and the same was seen at JNU. Such elements need to be exposed, it said.

"Allowing blood stains in universities, colleges and beating up of students and indulging in politics over the burning situation...such brutal politics was never seen before," the Marathi publication said while terming the attack on JNU students as a "blot" on the law and order situation.

Lashing out at Amit Shah, the Sena said he his in Delhi and busy distributing official pamphlets door-to-door to promote the Citizenship Amendment Act.

There is "confusion and unrest" in the country over the new citizenship law, it pointed out.

"The BJP wanted to see Hindu-Muslim riots over the issue, but that did not happen. The nationwide protests are not being done by Muslims alone. Hindus will also be affected due to the new Act," the Shiv Sena said.

It said the BJP has been cornered over the CAA issue.

Since the prevailing situation is "BJP versus the rest", hence "out of revenge", several things are happening, the Marathi daily said, adding that "there is room for doubt if the JNU attack was part of the revenge."

The BJP has condemned the violence and said universities should stay away from politics, it noted.

"Who brought violence and politics in universities in the last five years? Who is implementing the policy of destroying those who don't agree with your ideology by use of power?" it asked.

Without taking any name, the Sena said those who call students opposing the CAA as anti-nationals, are themselves anti-national.

"When Amit Shah accuses Congress leaders Rahul Gandhi and Priyanka Gandhi of inciting violence, he admits that the Gandhi siblings have that much power to create mass awareness against a law brought in by the Centre and bring people to streets," the Sena said.

One cannot say if the Gandhi siblings incited violence, but one thing is sure that the Union Home Minister and his party are forced to distribute pamphlets to "clarify" on the new citizenship law, it said in sarcastic comments.