They are Types 1, 2, 3, and 4 and the subtypes are called Types 4a and 4b. hPIV-1 outbreaks are most prevalent every other year (in the US it is the odd years), with smaller numbers of infections in the opposite years.
Norah is a name of English origins and is derived from the names Honora and Eleanora. The meaning of the name Norah is honor. The most common variation of the name Norah is Nora. Nicknames include Nor, Nory, No-No, and Rah. Norah was #186 in 2013 according to the Social Security Administration.
More info about the name Nora. Most likely a diminutive of Honora, ultimately derived from Latin and meaning honor. Some sources suggest it can also be a short form of Eleanor, which means mercy, compassion. There is also a similar name in Arabic, which means light. Nora is the name of the main character in Ibsen's novel A Doll's House, as well as the name of a 2000 film about Nora Barnacle, the wife of James Joyce.