Hodges

Biology

26 March, 10:23

In order to enroll in most schools, students must be vaccinated against certain viral diseases, such as

mumps. Even with these vaccinations, many students still suffer from other diseases. Discuss how a

vaccination works and why some students still become infected with other diseases. In your answer, be

sure to:

• state why a student vaccinated against mumps can still be infected by the pathogens that cause other

diseases, such as chicken pox