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Cited by 8Mosquito-borne diseases and controlDengue and Mosquito Control ResearchViral Infections and Vectors

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Re-emergence of dengue virus in regional Queensland: 2019 dengue virus outbreak in Rockhampton, Central Queensland, Australia

Open access
Walker, Jacina, Pyke, Alyssa, Florian, Paul, Moore, Fred, Smoll, Nicolas, Adegbija, Odewumi, Khan, Arifuzzaman, Hasan, Rashidul, Carroll, Heidi, Harris, Rachael Rodney, Khandaker, Gulam·2021·Communicable Diseases Intelligence
DOI 10.33321/cdi.2021.45.31
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Abstract

Objective(s): To describe an autochthonous dengue virus type 2 (DENV-2) outbreak in Central Queensland from May 2019 and subsequent public health actions. Design and setting: Public health outbreak investigation of locally acquired DENV-2 cases in Rockhampton, Central Queensland. This included laboratory investigations, associated mosquito vector surveillance, and control measures implemented in response to the outbreak. Results: Twenty-one locally-acquired DENV-2 cases were identified during the Rockhampton outbreak (from 23 May to 7 October 2019): 13 laboratory-confirmed and eight probable cases. Clinical symptoms included lethargy (100%); fever (95%); headache (95%); and aches and pains (90%). Inspections of premises demonstrated that Aedes aegypti was present in 9.5% of those investigated which was more than half of the premises identified as containing mosquitoes. Nucleotide sequencing of a DENV-2 isolate recovered from the first confirmed case and DENV-2 RNA from an additional 5 patients indicated a single DENV-2 strain was responsible for the outbreak which was most closely related to DENV-2 strains from Southeast Asia. Conclusions: The 2019 DENV-2 outbreak in Rockhampton, Central Queensland, Australia, likely resulted from the importation of a strain, most closely related to DENV-2 strains from Southeast Asia and is the first reported outbreak in the region specifically implicating DENV-2. Given the presence of Aedes aegypti in Rockhampton, appropriate medical and mosquito avoidance advice; ongoing surveillance; and deployment of mosquito control strategies for the prevention of dengue and other mosquito-borne diseases should be priorities for this region.

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Research works printed but not linked: 19

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Metadata

Authors
Walker, J., Pyke, A., Florian, P., Moore, F., Smoll, N., Adegbija, O., Khan, A., Hasan, R., Carroll, H., Harris, R. R., & Khandaker, G.
Affiliations
  • Australian National University (AU)
  • Public Health Virology Laboratory, Forensic and Scientific Services, Coopers Plains, Queensland, Australia
  • Central Queensland Hospital and Health Service (AU)
  • Central Queensland University (AU)
  • Queensland Health (AU)
ORCID
Venue
Communicable Diseases Intelligence
Publisher
Australian Centre for Disease Control
Published
2021-06-15
Volume
45
ISSN
  • 0725-3141 (ISSN-L)
  • 2209-6051
DOI
10.33321/cdi.2021.45.31
OpenAlex
W3171514780
Cited by
8
References
0
Citations by year
2025: 1 · 2024: 2 · 2023: 3 · 2022: 1 · 2021: 1
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
  • Communicable Diseases Intelligence (publishedVersion)
  • PubMed (publishedVersion)
Funders
Queensland Health
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Dengue and Mosquito Control Research
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Vectors
Keywords
dengue virus type 2, dengue outbreak, autochthonous transmission, Aedes aegypti, mosquito vector surveillance, mosquito control, mosquito-borne diseases, Rockhampton, Central Queensland, outbreak response
MeSH terms
Animals, Australia, Dengue, Dengue Virus, Disease Outbreaks, Humans, Queensland

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