## Abstract The incidence of varicella in Singapore has been increasing since 1984. In 1991,17,930 cases were reported in a population of about 3 million. A serological survey completed in 1990 demonstrated that only 43% of the cohort had antibodies to varicellaβzoster virus (VZV), indicating inade
Comparative restriction endonuclease analysis of varicella-zoster virus clinical isolates
β Scribed by M. Takayama; N. Takayama; Y. Kameoka; K. Hachimori; K. Kaneda; M. Minamitani
- Publisher
- Springer-Verlag
- Year
- 1989
- Tongue
- English
- Weight
- 823 KB
- Volume
- 178
- Category
- Article
- ISSN
- 0300-8584
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β¦ Synopsis
The DNAs of 67 isolates of varicella-zoster virus (VZV) obtained from 31 individuals were compared by restriction endonuclease analysis using BamHI, EcoRI, PstI and Sinai. All of the epidemiologically unrelated 26 isolates could be differentiated using SmaI and another one or two enzymes. However, the DNA cleavage profiles of multiple VZV isolates from the same patient and the isolates from a group of patients who were infected with VZV from the same source were found to be identical to each other, as reported previously. No patients were found who were simultaneously infected with different VZV strains. Moreover, VZV showed no change in DNA fragment profiles after serial passages not only through human embryonic lung cells but also through patients.
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The susceptibility of human cytomegalovirus (CMV) and varicella zoster virus (VZV) clinical isolates to PNU-183792, a 4-oxo-dihydroquinoline, was examined. The antiviral potency of PNU-183792, a non-nucleoside inhibitor, was compared to the licensed nucleoside inhibitors ganciclovir and acyclovir us