Polio vaccine
Smallpox vaccine
Penicillin
Antibiotics
Insulin
Correct answer is B
Edward Jenner developed the smallpox vaccine in 1796, the first successful vaccine.
Which traditional Indian martial art originated in Kerala?...
What is the term for a formal meeting of party members to select candidates or decide policy?...
Who holds the record for the most goals scored in a single World Cup tournament?...
Which language is the most widely spoken in the Caribbean?...
Which car company produces the "Macan"?...
What is the largest living structure on Earth?...
How do you export your Facebook Page insights?...
What is the capital of Curaçao?...
Which Chinese city is known as the "Silicon Valley of China"?...