233k views
2 votes
Why have scientists developed vaccines?

to research medicines


to diagnose conditions


to treat illnesses


to prevent diseases

User NiBE
by
4.2k points

2 Answers

2 votes

Answer:

  • scientists have developed vaccines to prevent diseases
User Dzenly
by
4.1k points
2 votes

Answer:

to treat illnesses (number 3)

Step-by-step explanation:

:3

User Alvaro Lorente
by
4.6k points