1. Is it correct to perform an intradermal skin sensitivity test before

2. administering penicillin or a cephalosporin?

3. Why are antibiotics not allowed in the treatment of rotaviruses?

4. Does aciclovir prevent the chances of developing herpes zoster (shingles)

5. when given during primary infection?

6. How long does it take after vaccination to become immunized against

7. chickenpox and therefore safe to work in infectious areas?

8. Is meticillin-resistant Staphylococcus aureus (MRSA) the only major

9. hospital-acquired infection?