A common myth is that green mucus is a tell-tale sign of a bacterial infection, but both viruses and bacteria can cause this color change. In fact, past research has found that nasal discharge ...

This is when your congestion lasts for more than 10 days, if you have a high fever, facial pain, or severe headache, or if your nasal discharge is green or yellow with a foul smell. Consult a ...

Bacterial cultures on sheep blood agar of the left lung of the dead rabbit and the nasal discharge of the live rabbit both showed numerous small, nonhemolytic mucoid colonies (Fig. 3). On ...