Representatives from 11 cities around the world [Buenos Aires, Mexico City, New York, Rio de Janeiro, Sao Paulo, Johannesburg, Mumbai, Lagos, Bangkok, Peking & Belo Horizonte] announced yesterday the formation of the Megacities Network, a worldwide network to fight the scourge of HIV/AIDS [and support universal access to essential medicines]...Buenos Aires delegate Claudio Bloch said...authorities are now negotiating with drug manufacturers to prevent an increase in costs