In general, types 1 and 2 cause outbreaks of respiratory disease in the fall, which include colds, pharyngitis, tracheobronchitis and croup. Although parainfluenza 3 may produce croup, more typically, it produces a spectrum of infection that closely mimics that produced by RSV, including bronchiolitis and pneumonia.
Olga /ol-ga/ [2 sylls.] as a girls' name is pronounced OL-gah. It is of Old Norse and Scandinavian origin, and the meaning of Olga is blessed, holy; successful. The Russian form of Helga. Popular in the Russian imperial family.
Reyna comes from the short forms of various Germanic personal names containing the element Ragin, meaning counsel. It it thought that the name could also have been derived from Rennes, in Brittany. Lowe, Mark Anthony, Patronymica Britannica, A Dictionary of Family Names of the United Kingdom.