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[A dengue epidemic at Futuna]
During an outbreak occuring in Futuna (Horne Islands) from October 1976 to January 1977, II strains quite similar to dengue virus type I were isolated from blood of patients in acute phase. Immunitary responses were noted on 8/12 paired sera submitted to IH test; 4/17 serum samples showed antibody titer presumptive of a recent infection. Entomological survey gave evidence that virus was transmitted by Aedes polynesiensis and confirmed that Futuna is free of A.E. aegypti; other species found were: Culex annulirostris, C. pipiens fatigans, C. sitiens. A viral strain was isolated from Ae. polynesiensis only.
During an outbreak occuring in Futuna (Horne Islands) from October 1976 to January 1977, II strains quite similar to dengue virus type I were isolated from blood of patients in acute phase. Immunitary responses were noted on 8/12 paired sera submitted to IH test; 4/17 serum samples showed antibody titer presumptive of a recent infection. Entomological survey gave evidence that virus was transmitted by Aedes polynesiensis and confirmed that Futuna is free of A.E. aegypti; other species found were: Culex annulirostris, C. pipiens fatigans, C. sitiens. A viral strain was isolated from Ae. polynesiensis only.