1 In many cases of bronchiectasis a clear-cut cause cannot be identified. 2  Some respiratory infections in childhood can damage the airways and lead to bronchiectasis. 3  These may be viral infections (such as cause some types of bronchiolitis, or measles) or bacterial infections (such as whooping cough).ence, physiotherapy is needed to help clear these secretions. Normally the airways in the lung are sterile-they are not infected. In bronchiectasis, because of the inability to clear secretions effectively, these secretions become infected.
Halo 4's multiplayer features aspects from both Halo 3's and Halo: Reach's multiplayer. Sprint is now an ability that everyone can use along with their Armor Abilities. Firefight has been replaced with Spartan Ops, and like Firefight, Spartan Ops can be played online.
Halo Wars 2. An all-new enemy threatens the Halo universe and the only thing standing between Armageddon and humanity is the brave crew on board the Spirit of Fire. Halo Wars 2 delivers real-time strategy at the speed of Halo combat. Get ready to lead armies of Spartans and other Halo fighting forces like Warthogs, Scorpions and exciting new units in a brutal war against a terrifying new enemy on the biggest Halo battlefield ever.