Lucas, 24, a former tuberculosis patient, talks to a colleague during his lunch break at Masantonio Organization in Buenos Aires, Argentina, January 11, 2019. Lucas works for the Masantonio Organization where he visits tuberculosis patients with no family, helping them with their TB treatment and recovery. REUTERS/Magali Druscovich SEARCH "ARGENTINA TB" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.