Fauci says fast-spreading COVID variants BQ.1 and BQ.1.1 are ‘pretty troublesome’

10 月 19, 2022World News

Dr. Anthony Fauci, pictured in 2021, has said the new BQ.1 and BQ.1.1 COVID variants are “troublesome.”
STEFANI REYNOLDS/POOL/AFP VIA GETTY IMAGES

New COVID variants BQ.1 and BQ.1.1 are gaining traction in the U.S. at a “troublesome” rate, according to the White House’s top medical advisor Dr. Anthony Fauci.

In the week ending Oct. 15, BQ.1 and its offspring BQ.1.1 were closing in on the position of second most widely circulating COVID variant in the United States, according to projections from the Centers for Disease Control and Prevention (CDC).

On Friday, Fauci sounded the alarm on the new variants, which accounted for an estimated 11.4% of new COVID cases in the United States as of Oct. 15—double the proportion of infections they caused a week earlier.

“When you get variants like that, you look at what their rate of increase is as a relative proportion of the variants, and this has a pretty troublesome doubling time,” Fauci said in an interview with CBS News.

Alongside BQ.1 and BQ.1.1’s rapid infection rates, he voiced concern about the latter’s apparent ability to evade antibody treatments being used for patients at risk of developing severe COVID symptoms.

“That’s the reason why people are concerned about BQ.1.1, for the double reason of its doubling time and the fact that it seems to elude important monoclonal antibodies,” Fauci told CBS.

The BA.5 variant is currently still dominant in the U.S., accounting for around 68% of cases, while BA.4.6—which accounted for 12.2% of cases as of Oct. 15—is the second most common variant.

However, BQ.1 and BQ.1.1 have rapidly become more widespread in the U.S. in recent weeks, while BA.5 has been responsible for a smaller proportion of cases.

Despite the rise of the new variants, the latest data from the Centers for Disease Control and Prevention (CDC) paints a somewhat encouraging picture, with hospitalizations and new cases of the virus steadily declining over the past month.

Some epidemiologists and public health experts have warned, however, that Americans should brace for a resurgence of COVID infections in the coming fall and winter months—particularly with the Omicron variant continuing to evolve. Fauci backed those warnings during his interview with CBS.

“As much as you want to feel good about the fact that cases are down, hospitalizations are down, we don’t want to declare victory too prematurely,” he said. “And that’s the reason why we’ve got to keep our eye out on these emerging variants.”

However, he appeared optimistic that existing vaccines could offer some level of protection against BQ.1 and potentially suppress a surge in infections—particularly given the rollout of bivalent vaccines tailored specifically to the Omicron variant.

“The bad news is that there’s a new variant that’s emerging and that has qualities or characteristics that could evade some of the interventions we have,” Fauci told CBS. “But, the somewhat encouraging news is that it’s a BA.5 sublineage, so there is almost certainly going to be some cross protection that you can boost up.”

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