What Is Mycoplasma Pneumonia and How Does It Affect Kids? Kumar Jeetendra | August 16, 2024 Also known as “walking pneumonia,” Mycoplasma pneumonia is an infection of the lungs caused by a bacterium called Mycoplasma pneumoniae. The absence of cell walls in this pathogen, which makes it unique and difficult to target with normal antibiotics. It is well known for causing respiratory diseases especially in children who go to school and …