<prompt> Which of the following is not used in post-exposure prophylaxis for HIV?Zidovudine LaniivudineNelfinavirStavudine DidanosineAcyclovir  <response>: Acyclovir is a potent and selective inhibitor of the replication of ceain Herpes viruses, including HSV types 1 and 2, VZV, EBVOther drugs given in the question are antiretroviral drugs used in HIVRef: KD Tripathi 6e p776 