What should you do if a teacher insists on spraying the school bus for head lice despite no evidence?

Advising vacuuming the bus without pesticide treatment is grounded in current best practices for dealing with head lice concerns. Head lice primarily spread through direct head-to-head contact rather than via surfaces such as clothing or bus seats, and there's limited evidence that lice can survive for extended periods away from a human host. Therefore, the application of pesticides may not be necessary and could lead to unnecessary chemical exposure.

Vacuuming helps to remove any potential lice or eggs that may be present on surfaces, reducing any perceived risk without resorting to chemical agents, which can pose health risks and contribute to pesticide resistance. It emphasizes a more health-conscious approach while aligning with guidelines recommended by health authorities regarding lice management in environments such as schools. This method is practical, safe, and effective without the need for chemical interventions.