One of the key differentials between companies with a positive and those with a negative experience with variable pay programs was the selection of appropriate performance measures. Those measures are the primary motivation for employees and they communicate to employees what the objectives of the company are.
Many of the symptoms of a sinus infection are quite general, and what appear to be a sinus infection with nausea might be another condition or conditions. Tension and anxiety, for instance, can result in an upset stomach and headache.
The most common cause of acute sinusitis is an upper respiratory tract infection (URTI) of viral origin. The viral infection can lead to inflammation of the sinuses that usually resolves without treatment in less than 14 days.