Season One Edit. Beckett's initial relationship with Castle was strained because she viewed him as immature and reckless. She suspected (correctly) that Castle was using his research as an excuse to pursue her, and only tolerated his presence at the request of Captain Montgomery.
What causes croup in children. Croup in children is most often caused by the parainfluenza virus, a respiratory virus not related to the flu. But it can also be caused by other respiratory viruses including the flu. Yes, croup is contagious.
Croup is swelling around the vocal cords that causes difficulty breathing and is accompanied by a âbarkingâ cough. One of the most common causes of croup is a virus called parainfluenza.Who is at risk for croup? People of all ages are at risk for croup, but it is most common among infants and children between the ages of 3 months and 5 years. Some children are prone to croup and may get it several times.roup is swelling around the vocal cords that causes difficulty breathing and is accompanied by a âbarkingâ cough. One of the most common causes of croup is a virus called parainfluenza.