Related Program: Northland Morning Get a flu shot - even if they don't work By Lisa Johnson • Jan 10, 2018 Related Program: Northland Morning TweetShareGoogle+Email Credit Tom Woodward/Flickr Dr. Andrew Thompson is really frustrated. He knows flu shots aren't perfect; he knows they're only 40-60% effective and that makes them hard to promote. But the alternative, he says, can be worse. Listen Listening... / 10:43 Tags: Northland Morning Interviewsflu shotsDr. Andrew ThompsonSt Luke'sInfectious DiseasesColdsickTweetShareGoogle+EmailView the discussion thread.