
Hantavirus in Africa: why climate change, rats and weak surveillance are worrying scientists
Wolfgang Preiser, Carla Mavian, Cheryl Baxter, Richard Lessells and Tulio de Oliveira
Visa International, sponsor of the Rugby World Cup in 1995 in South Africa, in 1999 in Wales, and in 2003 in Australia, has committed to sponsoring the 2007 Rugby World Cup, to be held in France in September and October 2007. As a sponsor, Visa has worldwide rights to use the event's logo and trademarks in its advertising.