CDC; Flu Vaccine Only 40 Percent Effective
This year's flu vaccine is only 40 percent effective, according to the Centers for Disease Control and Prevention (CDC), but medical professionals are still recommending to get the shot.
"It still affords some cross protection and might diminish the symptoms of the flu," said Steve Smith, Transylvania County's health director.
There are two basic strains of the flu virus: the A strain, which is typically more severe, and the B strain.
Each year, CDC epidemiologists try to predict which strains of influenza are most likely to occur the following year.
It's not a perfect science. According t...