Upper respiratory tract infections affect the sinuses and ... They include bronchitis, which is an inflammation of the airway passages leading to the lungs. People with acute bronchitis may ...

Respiratory tract infections caused by viruses ... variable responses that may contribute to asthma symptoms. After upper airway infection and viral replication, epithelial cell lysis occurs ...

Specht at Purdue University, demonstrates the feasibility of using nasosorption to measure trace levels of metals and metalloids in the upper airway. By combining this simple collection method ...