An outbreak of Rift Valley fever in Northeastern Kenya, 1997-98. by Woods, C, Karpati, A, Grein, T, McCarthy, N, Gaturuku, P, Muchiri, E, Dunster, L, Henderson, A, Khan, A, Swanepoel, R, Bonmarin, I, Martin, L, Mann, P, Smoak, B, Ryan, M, Ksiazek, T, Arthur, R, Ndikuyeze, A, Agata, N, Peters, C