Incidence of dengue in 2013: Dengue outbreak in District Swat, Khyber Pakhtunkhwa, Pakistan

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%).