Optimal Repellent Usage to Combat Dengue Fever

Area of Science:

• Epidemiology
• Game Theory
• Public Health

Background:

• Dengue fever is a significant vector-borne disease transmitted by Aedes mosquitoes.
• Reducing exposure to mosquito bites is crucial for disease control.
• Individual protection choices influence population-level disease dynamics.

Purpose of the Study:

• To model individual decisions on protection against mosquito bites using game theory.
• To analyze the relationship between the cost of protection, disease risk, and optimal protection levels.
• To determine the conditions under which voluntary protection achieves herd immunity.

Main Methods:

• Development of a game-theoretical model.
• Analysis of individual cost-benefit calculations for protection.
• Simulation of protection levels under varying cost-benefit scenarios.

Main Results:

• Individual optimal protection levels are determined by balancing protection costs and dengue fever risks.
• Voluntary protection can approach herd immunity thresholds.
• Herd immunity is achievable when protection costs are approximately 10,000 times less than the cost of contracting dengue fever.

Conclusions:

• Individual rational choices regarding protection can lead to significant public health benefits.
• Game theory provides valuable insights into voluntary public health interventions.
• Economic factors heavily influence the effectiveness of individual protection strategies in achieving herd immunity for dengue fever.