Hyaline membranes are present, preventing alveolar oxygen exchange resulting in respiratory failure.
Mumps meningoencephalitis and unilateral deafness were commonplace prior to routine immunization with the mumps vaccine. This disease has been nearly eradicated in the United States as the result of routine rubella vaccine use, whereas in earlier years as many as 20,000 infants were severely affected in a given year. This child's illness was more severe than her younger sibling, from whom she contracted the chickenpox. Extensive varicella rash of child above. Hemorrhagic varicella in a newborn.