1.    Williams, M.C. and Woodall, J.P.  1961. Trans. R. Soc. Trop. Med. Hyg. 55:135-141. 2.    Haddow, A.J., et al.  1960.  Ibid. 54:517-522. 3.    Shore, H.  1961.  Ibid. 55:361-373. 4.    Corbet, P.S., et al.  1961.  Ibid. 55:463-480. 5.    Williams, M.C., et al.  1962.  Ibid. 56:166-172. 6.    Walker, G.M., et al.  1962.  Ibid 56:496-503. 7.    Calisher, C.H., et al.  1980.  Intervirology 14:229-232. 8.    Philip, C.B., et al.  Personal communication. 9.    Whitman, L.  Personal communication. 10.   Williams, M.C., et al.  1964.  E. Afr. Med. J. 41:271-275. 11.   E. Afr. Virus Res. Inst. Reports 1959-63. 12.   Bres, P.  Personal communication. 13.   Bres, P., et al.  1963.  Bull. Soc. Path. Exot. 56:384-402. 14.   Buckley, S.M.  1964.  Proc. Soc. Exp. Biol. 116:354-358. 15.   Karabatsos, N. and Buckley, S.M.  1967.  Am. J. Trop. Med. Hyg. 16:99-105. 16.   Singh, K.R.P.  1972.  Adv. Virus Res. 17:187-206. 17.   Buckley, S.M.  Personal communication.  1972. 18.   Stim, T.B.  1969.  J. Gen. Virol. 5:329-338. 
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