Oslo Airport (OSL) Oslo Airport (OSL) One of three airports serving the Oslo region, Oslo Airport (OSL) is the second-busiest airport in Scandinavia and the 17th busiest in Europe. It serves as a hub for Air Norway, Norwegian Air Shuttle, Scandinavian Airlines and WiderÃ¸e.
Sinus infection (sinusitis) is caused by allergies, infection, and chemicals or other irritants of sinuses. Signs and symptoms are headache, fever, and facial tenderness, pressure, or pain. Treatments of sinus infections are generally with antibiotics and at times, home remedies.
Causes. Acute sinusitis can be caused by viral, bacterial, or fungal infections. Allergans and environmental irritants are other possible causes. In most cases, acute sinusitis is caused by an upper respiratory tract viral infection, such as the common cold, and usually resolves on its own.auses. Acute sinusitis can be caused by viral, bacterial, or fungal infections. Allergans and environmental irritants are other possible causes. In most cases, acute sinusitis is caused by an upper respiratory tract viral infection, such as the common cold, and usually resolves on its own.