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.
Although the likelihood that Amara comes from the Greek term aramarantos, where the Amaranth bloom also gets its name, there is a possibility that it has ties to the Latin term amarus, which indicates something bitter or sour. Among the Amhar people of Ethiopia, Amara refers to paradise.