Polio vaccine
Smallpox vaccine
Penicillin
Antibiotics
Insulin
Correct answer is B
Edward Jenner developed the smallpox vaccine in 1796, the first successful vaccine.
How do you add a featured section to your Facebook profile?...
Which Asian country is home to the Shwedagon Pagoda?...
What is a natural way to repel ants in the kitchen?...
What is a "micro-influencer"?...
What is the main ingredient in pasta?...
How do you create a professional email for your Facebook Business Page?...
How do you create a poll in a Facebook Group?...
What is the capital of Finland?...
Which actor played Tony Stark/Iron Man in the Marvel Cinematic Universe?...