People at Risk

Elementary children sitting in a circle.

Mycoplasma pneumoniae outbreaks occur mostly in crowded settings.

Mycoplasma pneumoniae infections are most common in young adults and school-aged children, but can affect anyone. People at increased risk include those who live or work in crowded settings, such as:

  • Schools
  • College residence halls
  • Military barracks
  • Nursing homes
  • Hospitals

People at increased risk for serious infections include people:

  • Recovering from a respiratory illness
  • With a weakened immune system