The panel's recommendations usually are adopted by the Centers for Disease Control and Prevention, and become the government's guidance for U.S. doctors and their patients. This would be the first time the government has stated a flu vaccine preference for older adults. U.S. officials currentl...
Flu Vaccine Prevented 6.6 Million Illnesses Last Season: CDCConsumer HealthDayConsumer Healthday
This season'sinfluenza vaccinemay have been a poor match to a strain of the flu virus that caused many infections this winter, early data released by the Centers for Disease Control and Prevention suggests. The CDC's latest data come as much of the U.S. is finally seeing signs of a slo...
There also is a version of the flu vaccine called quadrivalent flu vaccine, designed to protect against four flu viruses; two influenza A viruses and two influenza B viruses. 1/3 Last year, no one saw until summer that the H3N2 strain would predominate, said CDC epidemiologist Lynnette ...
"Overall, flu vaccination reduced the risk of hospitalization by about one-third, which would have a significant impact on disease burden. Receiving a flu vaccine can offer significant protection against severe outcomes," David Daigle, the CDC spokesperson, said in an email. ...
Flu vaccine effectiveness in past seasons has ranged between 40 percent and 60 percent when components of most circulating viruses are "antigenetically like" those in a recommended vaccine, the report says. Effectiveness this season has been higher for children between the ages of 6 months and...
inactivated influenza vaccines will be available in quadrivalent formulations (IIV4s). High-dose (HD-IIV3) and adjuvanted (aIIV3) inactivated influenza vaccines will be available in trivalent formulations. Recombinant (RIV4) and live attenuated influenza vaccine (LAIV4; intranasal vaccine) will be ...
The flu vaccine protects against three or four strains of flu—there's always a mix of flu viruses going around—and H3N2 is one of them. But the strain of H3N2 infecting most people has mutated and only about half of cases match the vaccine, CDC said. ...
The flu vaccine has been 68% effective at preventing hospitalizations in children but has been less protective for seniors this season,according to preliminary data released Wednesdayby the Centers for Disease Control and Prevention. The vaccine was 35% effective at preventing hospitalization for s...
“The vaccine works least well among the population we most want to protect, namely older people, and that’s because they have immune systems that are much less robust than the immune systems of younger people.” Schaffner noted that there are high-dose vaccines for seniors, which are prefer...