Institution: | Armauer Hansen Research Institute (AHRI), PO Box 1005, Addis Ababa, Ethiopia.;Department of Biology and Molecular Microbiology, Washington University, St. Louis, Missouri 63130, USA.;Department of Biology, Addis Ababa University, Addis Ababa, Ethiopia.;N. H. Swellengrebel Laboratory of Tropical Hygiene, Royal Tropical Institute, 1105 AZ Amsterdam, The Netherlands.;Department of Immunohaematology and Bloodbank, Leiden University Hospital, PO Box 9600, 2300 RC Leiden. The Netherlands. |