Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

spc vital signs polio vaccines c_00002715
spc vital signs polio vaccines c_00002715

    JUST WATCHED

    How vaccines fight polio

MUST WATCH

How vaccines fight polio

Dr. Sanjay Gupta busts common vaccination myths, and sees how vaccines are defeating polio.

How vaccines fight polio

Dr. Sanjay Gupta busts common vaccination myths, and sees how vaccines are defeating polio.