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Simian virus 40 sequences in an AIDS patient with a cerebral lesion: A case report

Simian virus 40 (SV40) DNA sequences were found, by PCR analysis followed by filter hybridization, in the cerebrospinal fluid of a 29-y-old male affected by AIDS with an undefined cerebral lesion. This case illustrates the need to consider the SV40 polyomavirus among viral agents potentially responsible of encephalitis and neurological disorders in AIDS patients.