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.
Ursula is an English, German, Italian, and Scandinavian name of Latin origin. Ursula's meaning is little female bear. The name evolved as the diminutive of 'ursa'. It was borne by the 4th century Saint Ursula, who according to legend led a crusade of 11,000 virginal handmaidens and was martyred by the Huns when she reached Cologne; the legend popularized the name during the medieval period.