In 2016, I was working a discreet protective mission in Peru, supporting Malia Obama’s gap-year cultural immersion journey through the Andes and the Amazon.
After five weeks of high-altitude emergencies, trauma care in the field, and treating indigenous patients in makeshift basecamps, we entered the final phase: the jungle. On a routine hike outside Pilcopata, I slipped in the mud—and landed on a fer-de-lance, one of the most venomous snakes in the Americas. Its fangs sank deep into my left...