![Profile Image](https://pbs.twimg.com/profile_images/1554062945096794113/-MPAg1pY_normal.jpg)
Neil deGrasse Tyson @neiltyson
**Vaccine Science** I host a podcast, if you didn’t know. Here’s a @StarTalkRadio episode with @IrwinRedlenerMD that’s all about Vaccines, in case you’re not entirely sure how they work, or in case you retain doubts about their efficacy. [Video: 48 min] https://t.co/FryMpnoZWS — PolitiTweet.org