Two sisters, both with a deep and abiding religious faith, tell the story of their involvement with a severe but unknown viral disease. One is a missionary nurse. Lily, who caught the disease; the other is Rose, who cared for her when she was brought back to the States. The shared story began with a letter from Lily.
Reference: Pineo, L. & Pineo, R. Mystery Virus from Lassa. American Journal of Nursing, 71:1352–1355