Dr. Fauci Just Issued This Warning About Another New COVID Strain

Experts fear the new South African strain is even more infectious than the U.K. variant.

Yet another highly virulent new strain of COVID has recently been identified, and experts say it could be even more infectious than the ones that preceded it—including the U.K. variant that's now been found in four U.S. states. The new COVID strain, which was first identified in South Africa, could pose a serious risk to many Americans, according to Anthony Fauci, MD, director of the National Institute of Allergy and Infectious Diseases and leading member of the White House Coronavirus Task Force. In an interview with Newsweek, Fauci said it was likely that the new strain of COVID—dubbed 501.V2—was already in the U.S., despite the fact that experts "have not detected the South African strain" in the country yet. Read on to see what else Fauci had to say about the new South African strain, and why it's cause for concern. And for insight into where coronavirus cases are on the rise, This State Now Has the Worst COVID Outbreak in the U.S.

"I would be surprised if it were not already in the United States, but you never know until you find it, and then prove it's here," Fauci told Newsweek. He said that, if by some chance it's not already in the U.S., it's inevitable that it'll come to America as people begin to move more freely between countries again. "Sooner or later it will get here," Fauci said.

In addition to its highly contagious nature, among the biggest concerns about the 501.V2 COVID strain is that the Moderna and Pfizer vaccines being administered in the U.S. may not be as effective against it. However, Fauci noted that the existing U.S. vaccines are "very flexible," explaining that it would only take a few months to modify them for maximum efficacy against the South African COVID strain.

While Fauci said the vast majority of virus mutations are "meaningless," he acknowledged that the medical community is on high alert for any new strains that could set off a surge of new infections. "Every once in a while you get a mutation that does have clinical significance. And that's the reason why you need to continually monitor these changes," Fauci explained.

Read on to find out what else experts are saying about the South African COVID strain and what can be done to prevent its spread. And if you're eager to get your COVID shot, know that The FDA Just Ruled You Can't Do These 4 Things With the COVID Vaccines.

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Experts say it's "more of a problem" than the recently identified U.K. COVID strain.

Woman with flu in bed, she use thermometer to measure temperature

In an interview with the BBC's Today (via CNBC), Matt Hancock, who serves as the U.K.'s Secretary of State for Health and Social Care, expressed his concern about the South African strain's spread. "This is a very, very significant problem…even more of a problem than the U.K. new variant," Hancock said. And if you're concerned about the pandemic right now, know that This Is Why We're About to See the Worst COVID Surge Yet, Experts Warn.

Some experts worry existing vaccines won't be effective enough against the new South African strain.

A middle-aged woman wearing a face mask receives a COVID vaccine from a female healthcare worker.

Despite Fauci's optimism that existing COVID vaccines could be quickly modified to accommodate the 501.V2 strain, some experts have expressed concerns. John Bell, professor of medicine at Oxford University, told Times Radio on Jan. 3 that the South African variant, like the U.K. strain, is "not a single mutation. … And the mutations associated with the South African form are really pretty substantial changes in the structure of the (virus' spike) protein." That means the structure of the vaccines may not work against it as well.

In an interview with CBS News, Shabir Madhi, PhD, who led the Oxford COVID vaccine trials in South Africa, explained, "It's not a given that the vaccine will not work on this variant, but it is a consideration that the vaccine might not have the full efficacy." And for more vaccine news, check out If You've Done This Recently, You Could Have a Bad Vaccine Reaction.

The South African strain causes more severe symptoms than previous COVID strains.

Woman with COVID coughing

In addition to being more contagious, experts say the 501.V2 COVID strain tends to affect patients more severely than prior strains. "What we could say clinically is that we have more people coming down with severe signs and symptoms," virologist Sunday Omilabu, director of the Centre for Human and Zoonotic Virology at the Lagos University College of Medicine and Teaching Hospital, told Al Jazeera. In regards to its contagiousness, Omilabu said one person with the South African variant can spread the disease to four or five family members, the highest rate of transmission recorded yet. And for the latest COVID news delivered straight to your inbox, sign up for our daily newsletter.

Public health measures are the best way to control its spread.

Young woman wearing disposable face mask while riding in car. Mask is Disposable Earloop Face Mask with Filters against Bacteria.

In discussing the new strain of the virus found in the U.K., Fauci explained to Newsweek on Dec. 29 that the best course of action against any mutation or new strain is to continue adhering to the public health measures already in place. "Wearing masks, keeping distances, avoiding congregate settings, doing things outdoors more than indoors, washing your hands frequently—those are the things that stop any virus, regardless of whether it mutates or not," he said. And for more advice from Fauci, check out Dr. Fauci Just Said He's Worried About This One State.

Sarah Crow
Sarah Crow is a senior editor at Eat This, Not That!, where she focuses on celebrity news and health coverage. Read more
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