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Replication of herpes simplex virus in WI-38 cells was inhibited by phosphonoacetic acid, as measured by decreased virus cytopathogenic effect and incorporation of radiolabeled thymidine in virus-infected cells. The drug appeared to have no effect on adsorption, penetration, or release of the virus nor on the synthesis of ribonucleic acid or protein. It appeared to inhibit virus deoxyribonucleic acid synthesis.
Overby et al. (Sun,) studied this question.