Tag: vaccine

How Vaccines Work to Block Infections, Illness, and Disease [VIDEO]

The latest TED-Ed animation β€œHow Do Vaccines Work?” educator Kelwalin Dhanasarnsombut explains the history of vaccines, the science behind them, and how vaccines help the body to stave off infections, illness, and disease. To understand how vaccines function, we need to know how the immune system defends us against contagious diseases in the first place.…