Related Experiment Video
Updated: Aug 7, 2025
08:02
Experimental Viral Infection in Adult Mosquitoes by Oral Feeding and Microinjection
Published on: July 28, 2022
2.4K
Arbovirus circulation, epidemiology and spatiotemporal distribution in Uganda
Timothy Byaruhanga1,2, John T Kayiwa2, Annet M Nankya2
1University of Nottingham School of Life Sciences, Wolfson Centre for Global Virus Research, Nottingham, UK.
IJID Regions
|March 14, 2023
Summary
Arbovirus activity in Uganda peaks during the March-May rainy season, with Yellow Fever Virus being most prevalent. This highlights the need for mass vaccination to reduce disease burden.
Area of Science:
- Tropical Medicine
- Epidemiology
- Virology
Background:
- Arboviruses are common in Uganda, but their epidemiology, seasonality, and distribution are poorly understood.
- This study aimed to investigate arbovirus outbreaks based on acute clinical presentations in Uganda.
Purpose of the Study:
- To determine the epidemiology, seasonality, and spatiotemporal distribution of arboviruses in Uganda.
- To identify risk factors and high-prevalence areas for arbovirus infections.
Main Methods:
- Retrospective analysis of patient samples (2016-2019) using Immunoglobulin M (IgM) and Plaque Reduction Neutralisation Test (PRNT).
- Demographic data analyzed using SaTScan and SPSS for epidemiological and spatiotemporal distribution.
- Identification of arboviruses and their prevalence, including Yellow Fever Virus (YFV).
Main Results:
- Arbovirus activity peaked during the March-May rainy season.
- Overall arbovirus seroprevalence was 9.5%, with 52.6% of IgM positives confirmed by PRNT.
- Yellow Fever Virus had the highest prevalence (27.8%), predominantly in central Uganda. The 5-14 age group and outdoor workers showed higher infection likelihood.
Conclusions:
- Arbovirus transmission in Uganda is strongly seasonal, coinciding with the rainy period.
- The high prevalence of YFV underscores the critical need for mass vaccination campaigns to mitigate arbovirus-related health issues in the region.
