![Everyday Einstein's Quick and Dirty Tips for Making Sense of Science show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/028/071/small/everyday-einstein.jpg)
Summary: It's that time of year again, when everyone starts talking about getting your flu shot. But what's in a flu shot and does getting a flu shot always work?
Summary: It's that time of year again, when everyone starts talking about getting your flu shot. But what's in a flu shot and does getting a flu shot always work?