It was a typical morning for Gretta Joseph, deputy chief nursing officer at University Hospital of Mirebalais in Haiti. She was still at home, going through her work email and getting a sense of her schedule for the day at the hospital, when she noticed the congratulatory message informing her she had been accepted to Partners In Health’s Global Nurse Executive Fellowship.

She let out a celebratory scream, alarming her husband who rushed into the room. Soon he was joining her celebration; he knew how much she had wanted this.

When a pregnant woman was rushed to Saint-Nicolas Hospital in Saint-Marc for severe bleeding, Dr. Charnee Magalie Villemenay—now a second-year medical resident—had to act quickly, as the baby’s heart rate had begun to drop.

People struggling with mental health conditions who have stopped receiving treatment or taking medication—and as a result have seen their conditions worsen and may be homeless—are sometimes called “lost” patients.

In Maryland County, Liberia, Helena Wesley has made it her mission to find them.