RESUMO
There were 714 cases of dengue haemorrhagic fever and 1 death. The age of patients from 2-10 years old, none of them over 15 years old. The morbidity of III, IV degrees concentrated in Hon Dat, Tan Hiep, An Ninh, Rach Gia and also the districts that had the greatest morbidity, 56 cases of shock. The Steering Board issued a number of guideline documents and established preventive plan right at the beginning of the year with medical speciality. There were 28 cases of Japanese encephalitis, 25 cases with the age from 13 months - 5 years old, 3 cases with the age from 6-11 years old, 64% male and 36% female. The Pasteurs Institute of Ho Chi Minh City coordinated with the local authority to control the disease transmission in order to isolate virus and propagate measures of mosquito killing and hygienic methods around living area.