A CDC spokesperson said that the effectiveness of the vaccine for H1N1 was "within the range" of previous seasons. "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 ...
The article offers information about the estimates of flu vaccine effectiveness federal grant proposed by the Centers for Disease Control and Prevention (CDC) in the U.S. The grant is designed to assess the effectiveness of influenza vaccine in preventing laboratory-confirmed flu infections. The ...
"Potential impact on VE [vaccine effectiveness] elsewhere and through the rest of the season requires further monitoring," they wrote. Flu Season More Flu shot less effective this season for some kids, CDC report suggests FDA cancels meeting to update next season's flu vaccines ...
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...
The effectiveness of flu vaccines can vary widely season to season depending on how well the strains included in the shots are matched to circulating viruses.
The vaccine worked the best among children aged 6 months to 8 years, at 61%, and the least among individuals aged 18 to 49 years, at 19%. For people aged 65 years or older — a demographic group that's especially vulnerable to the flu — effectiveness stood at 25%. ...
So far this season, the vaccine's protection against flu hospitalization was at least 63% for children and at least 41% for adults. These estimates of effectiveness against hospitalization, released Thursday in the CDC's Morbidity and Mortality Weekly Report, are considered high for flu vaccines...
Early estimates on the effectiveness of this year’s flu vaccines indicate they may be less effective at preventing hospitalization than in years past, based on data from South America, where the annual flu season occurs earlier. According to a report from the Centers for Disease Control and Pre...
impact of annual influenza vaccination in the United States. CDC finds these estimates using a model that estimates the numbers of flu illnesses, medical visits and hospitalization prevented by vaccination using season-specific data on burden of disease, vaccine coverage and vaccine effectiveness (VE)...
(HealthDay)—Flu vaccines protect children against serious illness, even when the vaccine doesn't match the circulating flu virus, according to a new study that reinforces the importance of flu shots.