Medicine Virology abaa87ae Drug of choice for acyclovir resistant HHV is? A Foscarnet B Cidofovir C Valacyclovir D Famciclovir High-Yield Explanation ANSWER: (A) FoscarnetREF: Harrisons 17th ed chapter 172Therapy with the antiviral drug foscarnet is useful in acyclovir-resistant cases.