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By Tara Parker-Pope

What You Can Do to Avoid the New Coronavirus Variant Right Now

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What You Can Do to Avoid the New Coronavirus Variant Right Now

By The New York Times

It’s more contagious than the original and spreading quickly. Upgrade your mask and double down on precautions to protect yourself.

New variants of the coronavirus continue to emerge. But one in particular has caused concern in the United States because it’s so contagious and spreading fast. To avoid it, you’ll need to double down on the same pandemic precautions that have kept you safe so far.

The variant known as B.1.1.7., which was first identified in Britain, doesn’t appear to cause more severe disease, but it has the potential to infect an estimated 50 percent more people. The Centers for Disease Control and Prevention has predicted that this variant could become the dominant source of infection in the United States by March. Variants with the same mutation have been reported in Brazil and South Africa, and now scientists are studying whether a variant with a different mutation, and first found in Denmark, along with one identified in California, have caused a surge of cases in California. 

The new variant spreading in the United States appears to latch onto our cells more efficiently. (You can find a detailed look inside the variant here.) The change suggests it could take less virus and less time in the same room with an infected person for someone to become ill. People infected with the variant may also shed larger quantities of virus, which increases the risk to people around them.

"The exact mechanism in which it’s more transmissible isn’t entirely known,” said Nathan D. Grubaugh, assistant professor and epidemiologist at the Yale School of Public Health. “It might just be that when you’re infected, you’re exhaling more infectious virus"

So how do you avoid a more contagious version of the coronavirus? I spoke with some of the leading virus and infectious disease experts about what makes the new variant so worrisome and what we can do about it. Here’s what they had to say. 

How can I protect myself from the new coronavirus variant?

The variant spreads the same way the coronavirus has always spread. You’re most likely to contract the virus if you spend time in an enclosed space breathing the air of an infected person. The same things that have protected you from the original strain should help protect you from the variant, although you may need to be more rigorous. Wear a two- or three-layer mask. Don’t spend time indoors with people not from your household. Avoid crowds, and keep your distance. Wash your hands often, and avoid touching your face. 

"The first thing I say to people is that it’s not a different virus. All the things we have learned about this virus still apply,” said Dr. Ashish K. Jha, dean of the Brown University School of Public Health. “It’s not like this variant is somehow magically spreading through other means. Anything risky under the normal strain just becomes riskier with the variant."

 And let’s face it, after months of pandemic living, many of us have become lax about our Covid safety precautions. Maybe you’ve let down your guard, and you’re spending time indoors and unmasked with trusted friends. Or perhaps you’ve been dining in restaurants or making more trips to the grocery store each week than you did at the start of lockdowns. The arrival of the variant means you should try to cut back on potential exposures where you can and double down on basic precautions for the next few months until you and the people around you get vaccinated.

“The more I hear about the new variants, the more concerned I am,” said Linsey Marr, professor of civil and environmental engineering at Virginia Tech and one of the world’s leading aerosol scientists. “I think there is no room for error or sloppiness in following precautions, whereas before, we might have been able to get away with letting one slide."

Should I upgrade my mask?

You should be wearing a high-quality mask when you run errands, go shopping or find yourself in a situation where you’re spending time indoors with people who don’t live with you, Dr. Marr said. “I am now wearing my best mask when I go to the grocery store,” she said. “The last thing I want to do is get Covid-19 in the month before I get vaccinated."

Dr. Marr’s lab recently tested 11 mask materials and found that the right cloth mask, properly fitted, does a good job of filtering viral particles of the size most likely to cause infection. The best mask has three layers — two cloth layers with a filter sandwiched in between. Masks should be fitted around the bridge of the nose and made of flexible material to reduce gaps. Head ties create a better fit than ear loops.

If you don’t want to buy a new mask, a simple solution is to wear an additional mask when you find yourself in closer proximity to strangers. I wear a single mask when I walk my dog or exercise outdoors. But if I’m going to a store, taking a taxi or getting in the subway, I double mask by using a disposable surgical mask and covering it with my cloth mask.

Do I need an N95 medical mask?

While medical workers who come into close contact with sick patients rely on the gold-standard N95 masks, you don’t need that level of protection if you’re avoiding group gatherings, limiting shopping trips and keeping your distance from others.

“N95s are hard to get,” said Dr. Jha. “I don’t think people should think that’s what they need. Certainly there are a lot of masks out in the marketplace that are pretty good."

If you’re working in an office or grocery store, or find yourself in a situation where you want added mask protection, you can get an alternative to the N95. Dr. Jha suggested using a KF94 mask, a type of mask made in South Korea that can be purchased easily online. It resembles an N95, with some differences. It’s made of a similar nonwoven material that blocks 94 percent of the hardest-to-trap viral particles. But the KF94 has ear loops, instead of elastic head bands, so it won’t fit as snugly as an N95.

The KF94 is also disposable — you can buy a pack of 20 for about $40 on Amazon. While you can let a KF94 mask air dry and reuse it a few times, it can’t be laundered and won’t last as long as a cloth mask. One solution is to save your KF94 mask for higher-risk situations — like riding a subway, spending time in a store or going to a doctor’s appointment. Use your cloth mask for outdoor errands, exercise or walking the dog.

Are there additional ways to reduce my risk?

Getting the vaccine is the ultimate way to reduce risk. But until then, take a look at your activities and try reducing the time and number of exposures to other people.

For instance, if you now go to the store two or three times a week, cut back to just once a week. If you’ve been spending 30 to 45 minutes in the grocery store, cut your time down to 15 or 20 minutes. If the store is crowded, come back later. If you’re waiting in line, be mindful of staying at least six feet apart from the people ahead of you and behind you. Try delivery or curbside pickup, if that’s an option for you.

If you’ve been spending time indoors with other people who aren’t from your household, consider skipping those events until you and your friends get vaccinated. If you must spend time with others, wear your best mask, make sure the space is well ventilated (open windows and doors) and keep the visit as short as possible. It’s still safest to take your social plans outdoors. And if you are thinking about air travel, it’s a good idea to reschedule given the high number of cases around the country and the emergence of the more contagious variant. 

"The new variants are making me think twice about my plan to teach in-person, which would have been with masks and with good ventilation anyway,” Dr. Marr said. “They’re making me think twice about getting on an airplane."

Will the current Covid vaccines work against the new variants?

Experts are cautiously optimistic that the current generation of vaccines will be mostly effective against the emerging coronavirus variants. Earlier this month, Pfizer and BioNTech announced that their Covid vaccine works against one of the key mutations present in some of the variants. That’s good news, but the variants have other potentially risky mutations that haven’t been studied yet.

Some data also suggest that variants with certain mutations may be more resistant to the vaccines, but far more study is needed and those variants haven’t yet been detected in the United States. While the data are concerning, experts said the current vaccines generate extremely high levels of antibodies, and they are likely to at least prevent serious illness in people who are immunized and get infected.

"The reason why I’m cautiously optimistic is that from what we know about how vaccines work, it’s not just one antibody that provides all the protection,” said Dr. Adam Lauring, associate professor of infectious disease at the University of Michigan. “When you get vaccinated you generate antibodies all over the spike protein. That makes it less likely that one mutation here or there is going to leave you completely unprotected. That’s what gives me reason for optimism that this is going to be OK in terms of the vaccine, but there’s more work to be done."