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Nilza Munambo listens to a fetal heartbeat. She's in charge of the maternity ward at Chokwe District Hospital and regularly performs cesarean sections even though she's not a doctor.

Mozambique’s life-saving surgeons aren’t doctors at all

Medicine

What do you do when there are only about 20 practicing surgeons for an entire country? Mozambique decided to train non-physicians to do surgery, giving rise to a class of medical workers called tecnicos who do almost all of the country’s operations.

Scanning electron micrograph of HIV particles infecting a human H9 T cell, colorized in blue, turqoise, and yellow.

A new study suggests the HIV virus may be getting weaker

Science