Habiba Sali, right, a nurse in the endocrinology department of the Maroua Regional Hospital in the far north region of Cameroon, took the vital signs of patient Aminatou Mana during a regular checkup.

Habiba Sali, right, a nurse in the endocrinology department of the Maroua Regional Hospital in the far north region of Cameroon, took the vital signs of patient Aminatou Mana during a regular checkup.