Write the missing correlated terms.
Alexander Fleming : Penicillin ::
Alexander Fleming : Penicillin :: Edward Jenner : Smallpox vaccine.
Penicillin is the first antibiotic discovered by Alexander Fleming. An antibiotic is a chemical substance which can kill as well as inhibit the growth of bacteria
Smallpox vaccine is the first vaccine discovered by Edward Jenner. A vaccine is a liquid substance, which contains dead or weakened antigens.