# Multimedia Multimedia --- - [Podcasts](/podcasts) - [Cato Video](/multimedia/cato-video) - [Video Series](/search/category/video-series) - [Events](/multimedia/events) Download: [ Video ](https://house-fastly-unsigned-us-east-1-prod.brightcovecdn.com/media/v1/pmp4/static/clear/6039378657001/dfea3a72-b369-41b2-93f5-f192eda8dcc0/5f494b14-dbef-4a08-b5c7-5bc0296907b2/main.mp4) Media Highlights TV • April 26, 2021 # Jeffrey A. Singer discusses COVID-19 herd immunity and the lifted pause of the Johnson & Johnson vaccine on Sinclair Broadcast Group’s *The National Desk* ##### Featuring [![jeff-singer-cropped.jpg](/sites/cato.org/files/styles/author_picture/public/2024-05/jeff-singer-cropped.jpg?itok=G_0nEnx7)](/people/jeffrey-singer) ##### [Jeffrey A. Singer](/people/jeffrey-singer) Senior Fellow, Cato Institute [ ](https://x.com/dr4liberty) [ ](mailto:jsinger@cato.org)