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Double stranded RNA virus in South African Trichomonas vaginalis isolates

Department of Medical Microbiology, Medical University of Southern Africa, PO Box 211, Medunsa 0204, South Africa

Correspondence to:
Dr B Weber, Department of Medical Microbiology, Medical University of Southern Africa, PO Box 211, Medunsa 0204, South Africa;
weber{at}anaesthesie.uni-kiel.de
ABSTRACT
Aims: To screen Trichomonas vaginalis isolates from South Africa for the presence of a small double stranded RNA virus designated T vaginalis virus (TVV).

Methods: TVV was detected by simultaneous extraction of DNA and RNA, and its presence confirmed by electron microscopy and nuclease digestions.

Results: TVV was detected in 59 of 72 (81.9%) isolates.

Conclusions: These results indicate a possible higher infection rate of South African T vaginalis isolates by the double stranded RNA virus than has been reported for isolates elsewhere.

Keywords: Trichomonas vaginalis virus; double stranded RNA virus; sexually transmitted diseases

Abbreviations: TVV, Trichomonas vaginalis virus; STDs, sexually transmitted diseases

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