Can litigation be an effective tool in HIV prevention?

This question was posed by Sonke's National Prison's Specialist, Ariane Nevin at the 21st International AIDS Conference in Durban in a poster she presented on Sonke's work on HIV an TB in prisons. Nevin asked how useful an advocacy tool public impact litigation is in addressing the structural drivers of HIV and TB in prisons by focusing on the extreme overcrowding in Pollsmoor prison in Cape Town.