Kevin Moraga, 15, the victim of a shark attack on Sunday, died after enduring massive blood lost, San José's Hospital Mexico said through a press release.
A shark bit Moraga while he surfed with friends in Playa Grande, in the northwestern province of Guanacaste at 12:15 p.m. on Sunday.
Moraga was transferred on Wednesday in a coma to the Hospital Mexico in San José, where doctors are better equipped to handle trauma patients. He died Thursday afternoon of a cerebral edema. An edema is caused by a large build-up of fluids in the brain.
Elidio Mendoza, from the Cartagena Red Cross, told The Tico Times that Moraga had a "considerable wound" in his left thigh.
The Cartagena Red Cross said they have not attended to any shark attacks in recent years at Playa Grande.
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