Author(s):

Jehangir Khan, Asar Khan

Abstract: This study was conducted to evaluate the incidence outbreak of “Dengue Fever” in district swat to study the Epidemiology and Clinical characteristics of Dengue fever and to conduct the population-based surveillance for determining the proportion of Dengue Virus infections, dengue incidence and disease burden. The total numbers of patients investigated were 6000 (68.6% male and 31.3% female). The male population was greatly affected (68.6%) than female (31.3%) while the infection rate was less in children. The death rate was 47 (0.78%), the infection rate was much high from 20-40 years of age (male 44.65%, 18.06% female). The characteristics symptoms observed were fever (100%), vomiting (70.18%), abdominal pain (50.16%), splenomegaly (34.16%), in majority of the patients platelet count ranged between 100,000-150,000/cmm, fever duration in most of the patients was 7-15 days.The fever duration also varied in 1346 (22.43%) patients was observed continuous up to many days, 3880 (63.33%) intermittent and 854 (14.23%) patients were remittent. DHF is defined as acute fever, from 2 to 7 days, with hemorrhagic tendencies, for the conformation of DHF, the tourniquet test were done and also by the symptoms of patients i.e. petechiae (18.66%), and bleeding of mucosa (2.56%).

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