Aalia Hameed¹, Mateen Izhar¹, Muhammad Humayun² and Khalid Mahmood¹

ABSTRACT

Objective: To assess the incidence of dengue fever by anti-dengue IgM and IgG.

Study Design: Cross sectional study.

Place and Duration: This study was conducted at the Shaikh Zayed Hospital, Lahore from 5^th October to 31^st December 2010. 

Materials and Methods: A total of 2681 persons presenting with high grade fever were brought to Sheikh Zayed Hospital. Complete blood count and anti-IgM and IgG tests were done on those patients.

Results: A total of 2681 persons presenting with high grade fever, males were 1687 and females were 994 suspected of dengue infection with ages raging from 1-85 years. Out of 2681 patients, 1075 were diagnosed as positive for infection. Primary dengue infection (IgM +ve) was 52.83%, out of which males were 62.14% and females were 37.86%, male to female ratio was 1.6:1. Secondary dengue infection (IgG +ve) was 8.74%, out of which males were 70.21%, females 29.78%, male to female ratio was 2.36:1. Co-infection (IgM+IgG +ve) were 37.48%, males were 68% and females 32% and male to female ratio was 2.2:1. Dengue infection was mostly seen in adult patients. Conclusion: Mostly adults are affected, males twice as compared to females. At present the only method of controlling dengue fever and dengue haemorrhage fever is to combat vector e.g. mosquito by creating awareness through print and electronic media.

Key Words: Dengue virus, Primary and secondary dengue infection

Citation of article: Hameed A, Izhar M, Humayun M, Mahmood K. Dengue Virus Outbreaks at a Tertiary