True about sand flea -
High-Yield Explanation
Sand fleas occur in the tropical regions of Africa and America. They are also known as Jigger or Chigoe fleas (Tunga penetrans) The feilized female burrows into the skin of the feet, often beneath the nail and cause ulcers. Tetanus and gas gangrene occur as a secondary infection REFERENCE: PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE, 25TH EDITION, PG NO. 839