What’s So Effective About a Flu Vaccine That’s Less Than 10 Percent “Effective”?

What’s So Effective About a Flu Vaccine That’s Less Than 10 Percent “Effective”?

Sometimes topics for opinion pieces just fall out of the sky. Last week, officials at the Centers for Disease Control and Prevention (CDC) announced that the new estimate for the effectiveness of the influenza vaccine during the second half of the 2018-2019 “flu season” was only nine percent. That’s pretty bad even by influenza vaccine […]