Flu Vaccine Prevented 6.6 Million Illnesses Last Season: CDCConsumer HealthDayConsumer Healthday
2, researchers determined that the flu vaccine has been 47 percent effective overall against influenza illness. The findings were included in a report published Thursday. "CDC recommends that health care providers continue to administer influenza vaccine because influenza activity is ongoing and the...
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 slowd...
The U.S. Centers for Disease Control (CDC) recommends that eligible persons aged 6 months and older receive a yearly flu vaccine. The best time is typically in the early fall (Sept or Oct), but if you miss this window it's never too late to get as flu season often goes through Spri...
Last year, the CDC's report hadestimatedvaccine effectiveness in South America was 51.9% against hospitalization among at-risk groups. Astudyby the same group looking at data from 2013 to 2017 estimated effectiveness was around 43% for fully vaccinated young children and 41% for older adu...
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. ...
1/3 Last year, no one saw until summer that the H3N2 strain would predominate, said CDC epidemiologist Lynnette Brammer. Work on the vaccine had begun in February, she said. "[The H3N2 strain] came on so fast, and there wasn't time for it to be included in the vaccine," she ...
Individuals with egg allergy or previous reaction to eggs may receive any licensed, recommended influenza vaccine (IIV, RIV4, or LAIV4). High-Risk Populations Individuals with increased risk for severe illness or complications from influenza should be vaccinated. These include children aged 6 through...
For people with weak immune systems, the vaccine reduced the risk of hospitalization by 44% in one study and 30% in another. The flu hit early this season, as the weekly hospitalization rate peaked in December and has declined since then, according to CDC data. The flu has caused 25...
Walensky said that even when the vaccine doesn’t closely match the circulating flu strains, “We see a 35% decrease in rates of hospitalization … which really just emphasizes, when we do have a good match, how much more effective it will be.” CDC data shows that nearly 20,000 people ...