<prompt> Hechts pneumonia is typically seen in -MeaslesMalariaRSVPneumococcus  <response>: Ans. is a i.e., Measles Primary giant cell Pneumonia or Hechts Pneumoniao Refers to a Primary Giant cell type of Pneumonia typically seen in patients with measles.o It is a rare but often fatal form of interstitial pneumonia typically seen in immune-compromised patients with measles. The diagnosis of Hechts Pneumonia is made on histological examination by demonstration of an interstitial type pneumonia with variable number of Giant cells.SequelaeComplicationso Secondary bacterial infections; Giant cell pneumonia 1 in 25; meningitisencephalitis 1 in 1,000o Subacute sclerosing panencephalitis SSPEI: Develops 1 to 10 years after the initial infection Progressive, usually fatal CNS disease and those who survive are severely impaired mentally and physically. First signs are behavioral, followed by loss of motor control and coordination. Risk factors include acquiring primary measles at an early age usually under two years.And Associated with defective forms of the virus in the brain-difficult to isolate infectious virus from such patients. Certain viral proteins are often not expressed, the viral M protein viral matrix protein being frequently absent not the same as M protein on streptococcus pyogenes. 