Prevalence of several infectious diseases in the District Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan

Abstract Aims: Infectious disease is a health disorder and is the leading cause of morbidity and mortality in humans globally. The present study determined the prevalence of several highly infectious diseases in the District Dera Ismail Khan. Subject and Methods: The retrospective study include the indoor data from December 2019 through November 2021 (two years) were collected from the admin office of District Head Quarter Teaching Hospital, Dera Ismail Khan. Results: Overall diarrhea/dysentery showed the highest (59.1%) while pulmonary tuberculosis demonstrated the lowest prevalence (1.8%) and May contributed the largest share (16%), while February lowest (3.9%). Diarrhea/dysentery has relative the highest prevalence for most of the months. Overall diarrhea/dysentery, enteric/typhoid, and pneumonia contribute to 91.4% share of the studied diseases. The overall prevalence of the diseases increased steadily from March through May. Diarrhea/dysentery and malaria resulted in the highest prevalence of 19.6% and 17.1%, respectively in May, while enteric/typhoid revealed the highest prevalence of 24.4% in August. Pneumonia (23.5%) in June, Pulmonary tuberculosis (26.2%) in November, Extra Pulmonary tuberculosis in March (65.4%). Conclusion: Monthly and seasonal variations occurred in the prevalence of the diseases which is associated with an increase in vector population and an increase in temperature.