A universal flu vaccine could finally be within sight
Clip: 06/20/2019 | 5m 21s | Video has closed captioning.
Influenza is a shape-shifter virus that could spark a global pandemic. Researchers at the National Institutes of Health are working to deliver what is referred to as The Holy Grail in the fight: a universal flu vaccine that could protect against all strains of the virus. William Brangham concludes our pandemics series by learning what it will take to develop a universal vaccine.
Problems Playing Video? | Closed Captioning