Medically reviewed by Jane Kim, MD A sinus infection, or sinusitis, is inflammation of the cavities around your nasal passages. Symptoms of a viral or bacterial sinus infection include congestion, ...
The precise cause of chronic fatigue syndrome (CFS) remains unknown, although infection by several viruses and bacterial species has been implicated in the etiology of this condition. As there is ...
Chronic infections like these need studying to improve ... He told the BBC: "These were throat swab tests that were positive each time. The patient never had a negative test.