1. Explain why it is important to take the complete course of antimicrobial medication prescribed. 2.Explain why viral infections are difficult to treat. 3.State two local and two systemic signs of...

1. Explain why it is important to take the complete course of antimicrobial medication prescribed.

2.Explain why viral infections are difficult to treat.

3.State two local and two systemic signs of influenza.

4. Explain why a new influenza vaccine is prepared each year and consists of several components.