FIG. 3.

Evaluation of the sensitivity and specificity of the DENV2 NS1 antigen capture ELISA for detection of the NS1 antigen in serum samples. Data represent the OD₄₅₀ values of serum samples tested at a dilution of 1:10. Serum samples were taken from the following sources: patients infected with DENV2 identified by virus isolation or RT-PCR serotyping (n = 30) (A); patients with documented DENV1 infections (n = 301) (B); patients infected with Hantan virus (n = 50) (C); patients infected with Japanese encephalitis virus (n = 13) (D); patients infected with leptospirosis (n = 20) (E); patients infected with measles virus (n = 49) (F); and healthy humans (n = 504) (G).