Report: Flu Vaccine Less Effective Than Previously ThoughtHealth officials say this year's vaccine is just 18 percent effective against this year's dominant strain of the flu virus.
Flu Vaccine More Effective This Year, Also Helps Against Pneumonia And Stroke, Say StudiesResearchers suggest the flu virus may trigger other cardiovascular and pulmonary diseases.
CDC: Flu Vaccine Not Working Well, Only 23 Percent EffectiveAs predicted, this year's flu vaccine is doing a pretty crummy job. Health officials say a new study shows it's only 23 percent effective.
Study: Flu Vaccine Less Effective For Men With High Testosterone LevelsMen with higher levels of testosterone are more likely to have very little, or no response to flu vaccines and other defenses against influenza and other infectious diseases.
CDC: More Than 40 Percent Of Child Flu Victims Were HealthyA Centers for Disease Control and Prevention study found that almost half of the 830 children who died from the flu between 2004 and 2012 did not have a high-risk medical condition such as asthma or heart disease, and were otherwise healthy.
CDC: Flu Vaccine Only 62 Percent Effective, 47 States With Widespread IllnessThe Centers for Disease Control and Prevention (CDC) is reporting that the flu vaccine has only been 62 percent effective amid 47 states reporting widespread illness.