Possible Clues:

• Prevalent in an area
• Death tally rising after hospital goes from a local area?
• Eliminate circling rodents prevalent in area
• One leaving medicine out for native
• Adapted medicine, eliminating one type of disease
• Stewed minced veg, topped and tailed, found everywhere
• Characteristic of a certain area
• Native to (med.)
• Restricted to particular area
• Prevalent in a people or district