In order to prevent a spread of the resistant viruses increased efforts in prevention and early diagnosis of new infections are needed, as concluded by the Swiss HIV Cohort Study that is supported by the Swiss National Science Foundation (SNSF).
Around one in every ten newly infected HIV carriers in Switzerland has viruses that are resistant to at least one of the three classes of drugs used to treat AIDS. Contrary to previously held assumptions, resistant viruses are primarily transmitted by people who are not yet receiving treatment, according to the reports in “Clinical Infectious Diseases” from the researchers headed by Roger Kouyos and Huldrych Günthard at Zurich University Hospital.Reconstruction of transmission chains
“We were astonished to note that the resistant viruses are primarily brought into circulation by untreated people,” said Günthard. “Previously we had assumed that the resistant viruses came from patients for whom treatment had failed as resistances were produced while treatment was ongoing.”Early diagnosis is vital
(Available to journalists in PDF format from the SNSF: email@example.com)
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