Question

Which of the following is sometimes useful against viral infections?

1) Trimethoprim
2) Streptomycin
3) Zidovudine
4) Rifampin

Answer 1

Zidovudine and Rifampin are antiviral drugs that can be useful against viral infections.

Step-by-step explanation:

Antiviral drugs can be useful against viral infections. One example is Zidovudine, which is used to treat HIV. Zidovudine works by inhibiting the viral reverse transcriptase, preventing further replication of the virus. Another example is Rifampin, which is sometimes used to treat certain viral infections such as tuberculosis. Rifampin works by blocking the actions of one or more viral proteins, thus inhibiting viral growth without damaging the host.