U.S. Navy Capt. Michael Sullivan, a pediatrician assigned to the hospital ship USNS Comfort (T-AH 20), gives a sticker to a two-year-old boy after examining his skin infection at a temporary medical treatment site in Port-Au-Prince, Haiti Nov. 6, 2019. Comfort is working with health and government partners in Central America, South America, and the Caribbean to provide care on the ship and at a temporary medical treatment site, helping to relieve pressure on national medical systems, including those strained by an increase in cross-border migrants. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Maria G. Llanos)