Health Topics Respiratory Illness Season CDC Respiratory Illnesses Data Trends Page (updated regularly) More Topics Adult-use Cannabis Anthrax Avian Influenza (Bird Flu) Bed Bugs Conjunctivitis (Pink Eye) COVID-19 E. coli Ebola Gastroenteritis or Stomach Virus H1N1 Influenza (Swine Flu) Hand, Foot and Mouth Disease Measles Monkey Pox (MPX) PFAS (per-and-polyfluoroalkyl-substances) RSV-Respiratory Syncytial Virus Infection