NIH director: China needs to be more cooperative or we'll never know what happened

Name: NIH director: China needs to be more cooperative or we'll never know what happened
Uploaded: 2021-07-19T15:46:04Z
Duration: 9 min 10 s
Description: Dr. Marc Siegel discusses the COVID-19 investigation, Wuhan Lab leak theory and the Delta Variant with NIH Director Dr. Francis Collins.