Nationally, the following illnesses are trending up: Gastroenteritis ("Stomach Flu"), Lyme Disease, Otitis Media (ear infection), Strep Throat or Tonsils, Croup, Conjunctivitis, and MRSA. Gastroenteritis ("Stomach Flu") and Otitis Media (ear infection) are at a high level across the nation and no illnesses are at a very high level.