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.
The German surname derives from the word Berg, the word for mountain or hill, and means a resident on a mountain or hill, or someone from a toponym Berg, derived from the same. The pronunciation of the English name may sometimes be /ËbÉËrdÊÉr/ BUR-jÉr.