Exploring a critical question for public health: can simply opening windows significantly reduce the risk of Tuberculosis (TB) transmission within households? We delve into the science behind ventilation as a control measure against this infectious disease. Key insights on household TB prevention and ventilation: ► Understanding how airborne diseases like TB spread in confined spaces. ► The role of natural ventilation, like open windows, in diluting infectious aerosols. ► Practical advice for improving air circulation in homes to mitigate TB risk. ► Considerations for balanced ventilation strategies in different household settings. ► The importance of combining ventilation with other TB prevention methods. #TuberculosisPrevention, #HouseholdTB, #VentilationForHealth, #TBControl, #PublicHealth