242,996 views
14 votes
14 votes
Why have scientists developed vaccines?

to research medicines


to diagnose conditions


to treat illnesses


to prevent diseases

User Apcelent
by
3.2k points

2 Answers

10 votes
10 votes

Answer:

  • scientists have developed vaccines to prevent diseases
User Borek Bernard
by
2.7k points
9 votes
9 votes

Answer:

to treat illnesses (number 3)

Step-by-step explanation:

:3

User Doddie
by
2.8k points