The two new ones reported by Dr Walker and Dr Phogat are the first fruits of a project called Protocol G, one of several multi-centre investigations into various aspects of AIDS that IAVI is helping to organise.
In a statement released to the public, conference attendees urged the U.S., Russia, Japan, EU and China to raise the issue of the tunnel project at next week's G-8 Summit to be held in Heiligendamm, Germany.