A 30-year-old man recently migrated from a country with high tuberculosis prevalence is found to have a positive interferon-gamma release assay but normal chest X-ray and no symptoms. What is the most appropriate management?AReassure and discharge with no follow-upBStart full four-drug active TB therapyCOffer treatment for latent TB infection after excluding active diseaseDAdvise periodic chest X-ray only if symptoms developEArrange urgent bronchoscopyCheck my answer