 Mu cigwa cakozwe numwigisha Ravindra Gupta wo muri kaminuza UCL , bivugwa ko Mu kuba umugera wa SIDA utakiboneka mu maraso yuwo murwayi wa kabiri hakoreshejwe ubwo buryo, vyerekana ko ivyabaye kuri uyo murwayi wi Berlin bitari ibintu bidasanzwe kandi ko bwari uburyo bukwiye bwatumye uwo mugera uzimangana kuri abo bantu babiri. 