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. 2023 May 19;72(4):1–11. doi: 10.15585/mmwr.ss7204a1

TABLE 2. Number and percentage of dengue virus (DENV) serotype, by U.S. territory — ArboNET, 2010–2020.

Serotype Puerto Rico
No. (%)
U.S. Virgin Islands
No. (%)
American Samoa
No. (%)
DENV-1
15,442 (72.9)
96 (80.7)
0 (—)
DENV-2
637 (3.0)
2 (1.7)
2 (12.5)
DENV-3
5 (—)
1 (0.8)
14 (87.5)
DENV-4
5,110 (24.1)
20 (16.8)
0 (—)
Total 21,194 (100) 119 (100) 16 (100)