List one virus that require that the vaccine is given after exposure.

Explanation:

Safe water supply, food safety, improved sanitation, hand washing and the hepatitis A vaccine are the most effective ways to combat the disease.

hope i was able to help:) can u mark brainlist pls?✨

answer:

i honestly don't know. but for being kind and considerate and trying to make people feel better! people like you show the world that their is still always kindness going around. it means a lot to me (and others! ) that you are trying to cheer people up. we need more people like you! < 3 < 3 < 3

explanation:

spread the love with #notahater !