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.
It depends on the language the original name came from, but it's usually one of the forms of Augustus (Latin), Auguste (French), August (German), or related names. A lot of Minnesota Swedes named Gus were named after King Gustavus Adolphus.