While 23 percent is at the low end of vaccine efficacy, the CDC estimates that even a 10 percent effective vaccine could keep 13,000 American senior citizens out of the hospital.
Does the flu shot work?
Answer: sort of
According to researchers from the Centers for Disease Control and Prevention, people who got vaccinated against the flu this fall or winter have been 23 percent less likely to catch a flu, compared with those who didn’t get the shot.
While 23 percent is at the low end of vaccine efficacy, the CDC estimates that even a 10 percent effective vaccine could keep 13,000 American senior citizens out of the hospital.
While 23 percent is at the low end of vaccine efficacy, the CDC estimates that even a 10 percent effective vaccine could keep 13,000 American senior citizens out of the hospital.
