ABREGES DES COMMUNICATIONS 61 Studies on Dengue in Vellore, South India * DONALD E. CAREY,' RUTH M. MYERS,2 RACHEL REUBEN ' & F. M. RODRIGUES I Studies of dengue at the Vellore Field Station of Subclinical dengue infection was rare in a group the Virus Research Centre, Poona, during the past of student nurses studied in 1961. [...] These peaks correlated well with periods patients 104 strains of dengue virus were isolated of rising and falling ambient temperatures. [...] Types 1 and 4 were isolated from Aedes magglutination-inhibiting antibody and from sera aegypti in 1961. [...] Almost half of the patients students at the Christian Medical College and yielding an identified dengue virus developed their Hospital, Vellore. [...] Factors felt to be of importance in the isolation of dengue virus included the inoculation of very young mice with human serum obtained * early in Originally issued as document IR/Haem.