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Volume 29, Number 8—August 2023
Dispatch

Dengue Outbreak Response during COVID-19 Pandemic, Key Largo, Florida, USA, 2020

Devin Rowe, Catherine McDermott, Ysla Veliz, Alison Kerr, Mark Whiteside, Mikki Coss, Chad Huff, Andrea Leal, Edgar Kopp, Alexis LaCrue, Lea A. Heberlein, Laura E. Adams, Gilberto A. Santiago, Jorge L. Munoz-Jordan, Gabriela Paz-Bailey, Andrea M. MorrisonComments to Author , and Florida Department of Health Dengue Investigation Team1
Author affiliations: Florida Department of Health, Tallahassee, Florida, USA (D. Rowe, C. McDermott, Y. Veliz, A. Kerr, M. Whiteside, E. Kopp, A. LaCrue, L.A. Heberlein, A.M. Morrison); Florida Keys Mosquito Control District, Marathon, Florida, USA (M. Coss, C. Huff, A. Leal); Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA (L.E. Adams, G.A. Santiago, J.L. Munoz-Jordan, G. Paz-Bailey)

Main Article

Table

Characteristics of case-patients in a dengue outbreak during the COVID-19 pandemic, Key Largo, Florida, USA, 2020*

Characteristics No. (%) cases, n = 72
Sex
F 37 (51)
M
 35 (49)
Ethnicity
Non-Hispanic 60 (83)
Hispanic 10 (14)
Unknown
 2 (3)
Age group, y
0–20 8 (11)
21–40 9 (13)
41–60 38 (53)
>60
 17 (24)
Hospitalization status
Hospitalized 8 (11)
Not hospitalized 62 (86)
Unknown
 2 (3)
Laboratory test results†
Positive RT-PCR 31 (43)
Positive IgM only
 41 (57)
Tests ordered for acute dengue cases, n = 43‡
COVID-19 tests; no known DENV tests 25 (58)
DENV and COVID-19 tests 13 (30)
DENV only; no COVID-19 tests 3 (7)
No DENV or COVID-19 tests 2 (5)

*DENV, dengue virus; RT-PCR, reverse transcription PCR. †Samples for PCR collected 1–12 days after symptom onset; samples for IgM collected 5–213 days after symptom onset. ‡Acute cases were tested within 7 days after symptom onset. Data include only persons medically evaluated by a healthcare provider in the United States. Information on care-seeking behavior was determined through case interview and laboratory records. Negative COVID-19 results were required to be reported to Florida Department of Health, but negative dengue laboratory results are not, which might have resulted in underreporting of commercial dengue testing among persons who sought care.

Main Article

1Members of the team are listed at the end of this article.

Page created: June 22, 2023
Page updated: July 20, 2023
Page reviewed: July 20, 2023
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.
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