Volume 25, Number 8—August 2019
Historical Review
Lessons Learned from Dengue Surveillance and Research, Puerto Rico, 1899–2013
Figure 3

Figure 3. Timeline of incorporation of laboratory techniques used to diagnose suspected dengue reported through the islandwide Passive Dengue Surveillance System in Puerto Rico, 1963–2013. CDC, Centers for Disease Control and Prevention; DENV, dengue virus; RT-PCR, reverse transcription PCR.
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