Question

question 20 (2 points) which of the following conditions is most successfully prevented via a vaccine? aids malaria common cold influenza covid-19

Explanation:

There are effective vaccines for influenza. As of now, there is no completely effective vaccine for AIDS. Malaria has some partially - effective vaccines but not as successful as influenza vaccines in general prevention. The common cold is caused by many different viruses and a single vaccine is not effective. COVID - 19 vaccines are effective but influenza has a long - standing and well - established vaccination program for prevention.

Answer:

Influenza