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Geographical distribution
| Territory/country | RT-PCR positive for dengue | Serotypes | |||
|---|---|---|---|---|---|
| DENV-1 | DENV-2 | DENV-3 | DENV-4 | ||
| Puerto Rico* | 36 | 14 | 13 | 4 | 3 |
| Costa Rica | 5 | – | 5 | – | – |
| Paraguay | 5 | 2 | – | 3 | – |
| El Salvador | 4 | – | 4 | – | – |
| Continental U.S. | 3 | – | 1 | 1 | 1 |
| U.S. Virgin Islands | 3 | – | 3 | – | – |
| Micronesia | 2 | – | – | – | 2 |
| Venezuela | 1 | – | 1 | – | – |
| Ecuador† | 1 | – | – | – | – |
Serotype could not be identified in two cases.
Serotype could not be identified.
RT-PCR = reverse transcription-polymerase chain reaction; DENV = Dengue virus.
