Figure 2.

Dengue virus (DENV) exposuretimeline of PRNT titersincluded in this review. Articles above the timeline reported transitions between exposure states while articles below reported single states. 1°, 2°, and 3° abbreviate primary, secondary, and tertiary exposures; “n” indicates the numbers of individuals who contributed titers that met inclusion and exclusion criteria; “Days Post” indicates the number of days between DENV exposure and serum collection.

Rainwater-Lovett et al. BMC Infectious Diseases 2012 12:233   doi:10.1186/1471-2334-12-233
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