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. 1977;8(2):83-91.
doi: 10.1159/000148882.

The effect of phosphonoacetic acid on the in vitro replication of varicella-zoster virus

The effect of phosphonoacetic acid on the in vitro replication of varicella-zoster virus

D C May et al. Intervirology. 1977.

Abstract

Phosphonoacetic acid (PAA) was found to inhibit in vitro varicella-zoster virus (VZV) replication. At 100 microng/ml, PAA blocked the development and spread of VZV cytopathology in both growing and contact-inhibited cultures. Formation of virus plaques by infected cells and cell-free virus was effectively blocked at concentrations as low as 25 microng/ml. The development of nuclear and cytoplasmic virus antigens was also inhibited by PAA. Inhibition by PAA suggests that VZV DNA replication, like that of other herpes-viruses, involves a virus-specific DNA polymerase.

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