Most infections are endemic, but sharp small epidemics occasionally occur with types 1 and 2. Parainfluenza virus infections are primarily childhood diseases, the highest age-specific attack rates for croup occur in children below the age of 3 years.
Olinger is an ancient Norman name that arrived in England after the Norman Conquest of 1066. The name Olinger comes from the name of the famous St. Leger.
Meaning and Origin This medieval German surname, recorded in several spellings including Eiler, Eilers, Eilert, Euler, Eilhart, Eilermann, Ehlerding, and Eilertsen, has a pre 7th century baptismal origin. It derives from the High German words agil meaning an edge, and hard, strong, brave or hardy.