Inherited factors, including ethnic background, help shape responses to the flu vaccine http://hvrd.me/Yx3Ov pic.twitter.com/CSJOLaNinC
10:03 AM - 22 Feb 2016
0 replies
3 retweets
12 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.