{"href":"https://api.simplecast.com/oembed?url=https%3A%2F%2Fwhy-is-this-happening-with-chris-hayes.simplecast.com%2Fepisodes%2Fdr-peter-hotez-6_jaydpZ","width":444,"version":"1.0","type":"rich","title":"Vaccines: How Do They Work? with Dr. Peter Hotez","thumbnail_width":300,"thumbnail_url":"https://image.simplecastcdn.com/images/bac1b529-5924-47d7-a26e-2bb1c59c1103/50804245-1abf-4570-8804-7f7d2865055c/ms-20now-20rebrand-with-20-3000x3000.jpg","thumbnail_height":300,"provider_url":"https://simplecast.com","provider_name":"Simplecast","html":"<iframe src=\"https://player.simplecast.com/96f19d42-25a3-4742-bda5-e3acffb34ac4\" height=\"200\" width=\"100%\" title=\"Vaccines: How Do They Work? with Dr. Peter Hotez\" frameborder=\"0\" scrolling=\"no\"></iframe>","height":200,"description":"What happens in your body after you get a vaccine? The arrival of the COVID-19 vaccines feels like the first positive mile marker in the pandemic but folks have a lot of questions – How were they developed? How do they work? Is there anything we should worry about?"}