Biosecurity refers to the measures taken to protect human, animal, and plant health from harmful biological agents. This includes preventing the introduction and spread of diseases, pests, and invasive species. Effective biosecurity practices are essential in agriculture, healthcare, and environmental conservation to ensure the safety and sustainability of ecosystems and food supplies. Key components of biosecurity include surveillance, risk assessment, and control measures. For example, quarantine protocols can help contain outbreaks of diseases like avian influenza or foot-and-mouth disease. By implementing these strategies, communities can safeguard their health and resources from potential biological threats.