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.
Olsen Surname Origin. (Origin Scandanavia) Patronymic surname from the Old Norse Oleifr meaning son of Olaf or Olav. (The common personal name Olaf means heir of ancestor.) An alternate spelling is Olson.Olsen, Olson, Ollson, Ollison.Origin Scandanavia) Patronymic surname from the Old Norse Oleifr meaning son of Olaf or Olav. (The common personal name Olaf means heir of ancestor.) An alternate spelling is Olson. Olsen, Olson, Ollson, Ollison.