(Anna Rothschild, Brian Monroe/The Washington Post)
Health and Science
What ingredients are in vaccines? | The Vaccines Project, Episode 2
To understand what is in modern vaccines—and why—let's look back at one of the first lab-created vaccinations that prevented a gruesome childhood illness. Reporter Anna Rothschild will explore why there are things like aluminum, formaldehyde, and mercury in vaccines, and what new vaccine technology is around the corner.