Repeat: Mark Siddal, curator at the American Museum of Natural History in New York and an expert on leeches, said: 'Daniela could have picked up this leech from water in Vietnam, if she had been swimming.
Mark Siddal, curator at the American Museum of Natural History in New York and an expert on leeches, said: 'Daniela could have picked up this leech from water in Vietnam, if she had been swimming.