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 small villages of Europe, or royal and noble households, even religious dwellings gave rise to many family names which reflected the occupation or profession of the original bearer of the name. The name is also spelt MULLER, MULLNER, MUELLNER and MOLLER.