Despite the fact that during the examination at the hospital in the Maldives, DENV arbovirus antigen was isolated in the blood by immunochromatographic rapid test, the course of the disease had a number of symptoms that did not conform to the classical course of the disease: catarrhal symptoms, cough, elevated C-reactive protein, and radiographic evidences of right-sided maxillary sinusitis. The gene discussed is CRP; the disease is maxillary sinusitis.