• Macular degeneration
  • MAC (Mycobacterium avium Complex)
  • Mad Cow Disease (BSE) — see Bovine Spongiform Encephalopathy
  • Malaria
  • Marburg Hemorrhagic Fever
  • Marine Toxins
  • MD (Muscular Dystrophy)
  • MDR TB (Multidrug-Resistant TB)
  • Measles
  • Melioidosis [Burkholderia pseudomallei Infection]
  • Men’s Health
  • Meningitis
  • Meningococcal Disease
  • Mental Health
  • Mental Retardation
  • Methicillin Resistant Staphylococcus aureus [MRSA]
  • Microcephaly
  • Molluscum Contagiosum
  • Monkeypox
  • Mononucleosis, Infectious [Epstein-Barr Virus Infection]
  • Motor Vehicle Injuries
  • Mucormycosis
  • Mucus — see Cold, Common
  • Multidrug-Resistant TB (MDR TB)
  • Muscular Dystrophy (MD)
  • Musculoskeletal Disorders — see Ergonomic and Musculoskeletal Disorders
  • Mycobacterium abscessus Infection
  • Mycobacterium avium Complex (MAC)
  • Mycobacterium tuberculosis Infection
  • Mycoplasma pneumoniae Infection
  • Mycotic diseases — see Fungal diseases
  • Myelomeningocele — see Spina Bifida
  • Myiasis