Description
Agent Gram-negative pleomorphic cells, spherical to ovoid shaped, single tripled-layered membrane but lacking true cell wall. Causes lower respriratory infections; less often a pharyngitis progressing to bronchitis or pneumoniae; gradual onset with headache, malaise, paroxysmal cough, substernal pain; leukocytosis in some cases. Duration varies from a few days to a month or more. Low fatality