See More Hear More Watch More Hear More Get on iTunes
Wired Wired

What's Inside A Flu Vaccine?

What’s in a flu vaccine? The flu virus, egg protein, formaldehyde, octylphenol ethoxylate, gelatin, and thimerosal. The flu viruses are grown in fertilized chicken eggs, and the formaldehyde disallows the virus to cause illness. #tech


More from