Africa is the second-largest continent on Earth, covering about 30.

American Scientist (informally abbreviated AmSci) is an American bimonthly science and technology magazine published since 1913 by Sigma Xi, The Scientific Research Honor Society.

A biopsy is a medical procedure in which a small sample of tissue or cells is taken from a person's body for examination under a microscope.

The Centers for Disease Control and Prevention (CDC) is a national public health agency in the United States.

Cochrane is a British international charitable organisation formed to synthesize medical research findings to facilitate evidence-based choices about health interventions involving health professionals, patients and policy makers.

Disability-adjusted life years (DALYs) are a measure of overall disease burden, expressed as the number of years lost due to ill-health, disability, or early death.

The Food and Agriculture Organization (FAO) is a specialized agency of the United Nations that leads international efforts to combat hunger and improve agriculture and food security.