This 12 months’s flu pictures are a ‘excellent match’ to circulating strains, well being officers say

This 12 months’s flu shots seem like a “excellent match” to the circulating influenza strains, well being officers say. Nonetheless, though flu season received off to an unusually early start, vaccination charges, particularly amongst adults, are lagging these seen this time final 12 months. 

“I can inform you firsthand: This 12 months’s flu season is off to a tough begin,” Dr. Sandra Fryhofer (opens in new tab), the board chair of the American Medical Affiliation and an internist, instructed reporters throughout a news conference (opens in new tab) Monday (Dec. 5). “We have forgotten how unhealthy the flu will be. However this 12 months’s season is a shout out that it may possibly get actually unhealthy and it is right here, so individuals must get vaccinated.”

In keeping with the Facilities for Illness Management and Prevention’s (CDC) latest flu surveillance report (opens in new tab), greater than 19,500 sufferers with influenza had been admitted to hospitals between Nov. 20 and Nov. 26, in contrast with roughly 11,200 individuals hospitalized the week prior (opens in new tab)

To date this season, 14 kids have died of the flu, half of whom died between mid- and late-November.

Associated: Which flu shot should I get?  

As of Nov. 19, about 154.1 million doses of flu vaccine had been administered within the U.S., the CDC reported (opens in new tab). An estimated 40% of the nation’s kids and adolescents ages 6 months to 17 years had gotten a flu shot as of that date — about the identical fraction as had by the identical date final season. Nonetheless, adults appear to be lagging barely: As of mid-November, 51.7 million doses had been given to adults, in contrast with 54.1 million by the identical time final 12 months, the CDC reported (opens in new tab)

Likewise, vaccination charges amongst susceptible adults have been low in contrast with final season. For instance, as of October, vaccinations amongst pregnant individuals had been down 12% in contrast with the identical time final 12 months, and amongst individuals ages 65 and older, the speed was down about 3%, Dr. Rochelle Walensky (opens in new tab), director of the CDC, instructed reporters Monday. These teams, kids youthful than 5, and other people with coronary heart illness, bronchial asthma, kidney illness and diabetes face the best danger of problems and dying from influenza.

It isn’t too late to get a flu vaccine, and real-time knowledge recommend that this 12 months’s pictures are protecting towards the circulating strains. “The excellent news is that it appears to be like like it’s a excellent match,” Walensky mentioned.


This 12 months’s flu pictures defend towards 4 kinds of flu viruses: two influenza A and two influenza B viruses. In keeping with knowledge collected by public well being laboratories, greater than 99% of the circulating viruses are influenza A, with most being A(H3N2) and a minority being A(H1N1). To date, the strains circulating look just like those included within the vaccine, which implies the pictures ought to successfully practice the immune system to acknowledge the viruses, the CDC surveillance report states.

As a result of completely different flu strains might achieve prominence later within the season, we cannot know precisely how protecting this season’s pictures are till early 2023, however basically, flu pictures have traditionally been about 40% to 60% efficient once they’re a “good match.” On this context, meaning vaccinated people could be 40% to 60% much less more likely to go to the physician for flu than individuals who aren’t vaccinated. And though flu pictures do not fully eradicate your likelihood of falling sick, when vaccinated people catch the flu, they’ve a decrease likelihood of extreme sickness and dying than unvaccinated individuals. 

It is best to nonetheless get a flu shot even when you’ve already caught influenza this season, as a result of the pictures could defend you towards a special pressure than the one you bought. 

“The one factor worse than getting flu as soon as in a season is getting it once more” after being uncovered to a special pressure, Fryhofer mentioned.


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