Volume 32, Number 4—April 2026
Dispatch
Outbreak of Dengue Virus Serotype 3, Republic of the Marshall Islands, 2019–2021
Table 2
Characteristics of patients with confirmed dengue in an outbreak of DENV serotype 3, Republic of the Marshall Islands, 2019–21
| Characteristics |
No. (%) of cases, n = 1,908 |
Attack rate, % |
No. (%) hospitalized |
|---|---|---|---|
| Sex | |||
| F | 882 (46) | 4.3 | 313 (35) |
| M |
1,018 (53) |
4.7 |
401 (39) |
| Age group, y | |||
| 0–4 | 121 (6) | 2.6 | 34 (28) |
| 5–17 | 1,119 (59) | 8.7 | 432 (39) |
| 18–49 | 521 (27) | 2.8 | 196 (38) |
| >50 |
104 (5) |
1.7 |
28 (27) |
| Atoll | |||
| Majuro | 1,642 (86) | 7.1 | 576 (35) |
| Kwajalein | 132 (7) | 1.3 | 88 (67) |
| Other |
134 (7) |
1.4 |
52 (39) |
| Disease severity | |||
| Death | 2 (0.1) | NA | NA |
| Hospitalized | 716 (38) | NA | NA |
| Not hospitalized, recovered |
1,190 (62) |
NA |
NA |
| Laboratory test results | |||
| ELISA NS1 antigen–positive | 1,565 (82) | NA | NA |
| ELISA IgM–positive | 334 (18) | NA | NA |
| PCR-positive | 9 (0.4) | NA | NA |
*DENV, dengue virus; NA, not applicable; NS1, nonstructural protein 1.
Page created: March 04, 2026
Page updated: April 15, 2026
Page reviewed: April 15, 2026
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.