French, Neila,b; Gray, Katherineb; Watera, Christineb; Nakiyingi, Jessicab; Lugada, Ericb; Moore, Michaela,b; Lalloo, Davida; Whitworth, James A. G.b; Gilks, Charles F.a
From the aLiverpool School of Tropical Medicine, Liverpool, UK and the bMedical Research Programme/DFID/Uganda Virus Research Institute, Entebbe, Uganda.
Requests for reprints to: Dr N. French, Liverpool school of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.
Received: 29 August 2001;
revised: 11 January 2002; accepted: 15 January 2002.
Sponsorship: this work was funded by the United Kingdom Medical Research Council (G9323636) and supported by TASO Uganda.