A common cold is a viral infection primarily affecting the upper respiratory tract including the nose and throat However in ...

Acute sinusitis has the shortest duration and resolves on its own. It can last up to 4 weeks. A viral infection brought on by the common cold may cause symptoms that typically last up to 10 days ...

Multiple organisms have been isolated from infected sinuses. However, it is important to note that "normal flora" has been cultured from healthy uninfected sinuses. "Normal flora" include ...