Why do you need a flu shot every year but only one inoculation against some other diseases?

Question:

Why do you need a flu shot every year but only one inoculation against some other diseases?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  answer-question

Biology Science For Life With Physiology

ISBN: 9780134555430

6th Edition

Authors: Colleen Belk, Virginia Maier

Question Posted: