A 6-month-old infant from an Inuit community presents with persistent cough, weight loss, and failure to thrive. There is a household contact with active pulmonary TB. Which of the following best reflects an appropriate public health response?ATreat only the symptomatic infant; household contacts require no evaluationBRefer only the contact with active disease to TB clinicCScreen and evaluate all close contacts, prioritising young children, and coordinate community-based TB control measuresDProvide over-the-counter cough syrup and monitorEAdvise the family to move south for care without local follow-upCheck my answer