I believe the asnwer would be 2 or 3.
Answer:Vaccines are responsible for the control of many infectious diseases that were once common in this country, including polio, measles, diphtheria, pertussis (whooping cough), rubella (German measles), mumps, tetanus, and Haemophilus influenzae type b (Hib).
Explanation:
Anopheles mosquito is one of the best known deadliest mosquitoes. A mosquito carries a wide variety of potentially deadly diseases, including malaria, West Nile Virus, Rift Valley Fever, Yellow Fever, lymphatic filariasis and encephalitis, which are among some of the deadliest plagues in history.
