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Research article
Chun-Hong CHEN
National Health Research Institutes
Corresponding Author
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Background. Dengue is endemic in over 100 countries and is an important public health problem worldwide. Dengue is not considered endemic in Taiwan however, with importation of dengue viruses from neighboring countries via close commercial links and air travel believed to be the cause of local outbreaks. Disease control efforts have therefore focused on preventing the importation of dengue into Taiwan. Here, we investigate the relationships between numbers of imported and indigenous dengue cases to test the validity of this strategy. Methods. Dengue-fever case data from between 2013 and 2018 was obtained from the surveillance systems of the Taiwan Center for Disease Control and Kaohsiung City Health department. Standard epidemiological data, including the monthly numbers of indigenous and imported dengue cases, was calculated. Potential associations between the number of indigenous and imported cases were investigated using correlation analyses. Results. We identified a possible relationship between the period of disease concealment and the number of reported imported dengue cases which resulted in indigenous dengue-fever epidemics within local communities. Further analysis of confirmed dengue cases during previous dengue-fever epidemics in Kaohsiung City found that the risk of indigenous dengue-fever may be related to the likelihood of patients suffering from imported cases of dengue-fever staying within local communities. Conclusion. Given the correlations found between imported and indigenous dengue-fever cases, as well as the relationship between disease concealment period and risk of indigenous dengue-fever, the major priorities for disease control remain prevention of disease importation and efficient identification of dengue cases within high-risk communities.
Keywords
Dengue virus、Imported dengue cases、Concealment、Indigenous dengue fever 、Airport fever screening 、Noncontact infrared thermometers
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CURRENT STATUS: Published
View the published article at BMC Infectious Diseases.
No community comments so far
Editor assigned
On 23 Feb, 2020
Submission checks complete
On 22 Feb, 2020
Editor invited
On 22 Feb, 2020
Version 2
Posted 17 Dec, 2019
No comments provided
Editorial decision: Minor revision
On 17 Feb, 2020
Review #2 received
Received 09 Feb, 2020
Review #3 received
Received 09 Feb, 2020
Reviewer #3 agreed
On 26 Jan, 2020
Reviewer #2 agreed
On 24 Jan, 2020
Review #1 received
Received 14 Dec, 2019
Reviewer #1 agreed
On 13 Dec, 2019
Editor assigned
On 12 Dec, 2019
Reviewers invited
Invitations sent on 12 Dec, 2019
Submission checks complete
On 11 Dec, 2019
Editor invited
On 11 Dec, 2019
No comments provided
Review #2 received
Received 02 Nov, 2019
Editorial decision: Minor revision
On 02 Nov, 2019
Reviewer #4 agreed
On 24 Oct, 2019
Reviewer #2 agreed
On 22 Oct, 2019
Reviewer #3 agreed
On 22 Oct, 2019
Review #1 received
Received 12 Oct, 2019
Editor assigned
On 06 Oct, 2019
Reviewers invited
Invitations sent on 06 Oct, 2019
Reviewer #1 agreed
On 06 Oct, 2019
Submission checks complete
On 26 Sep, 2019
Editor invited
On 26 Sep, 2019
First submitted
On 23 Sep, 2019
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Subject Areas
Infectious Diseases
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A new preprint design is coming!
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See the published version of this preprint at BMC Infectious Diseases.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research article
Chun-Hong CHEN
National Health Research Institutes
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Infectious Diseases.
No community comments so far
Editor assigned
On 23 Feb, 2020
Submission checks complete
On 22 Feb, 2020
Editor invited
On 22 Feb, 2020
Version 2
Posted 17 Dec, 2019
No comments provided
Editorial decision: Minor revision
On 17 Feb, 2020
Review #2 received
Received 09 Feb, 2020
Review #3 received
Received 09 Feb, 2020
Reviewer #3 agreed
On 26 Jan, 2020
Reviewer #2 agreed
On 24 Jan, 2020
Review #1 received
Received 14 Dec, 2019
Reviewer #1 agreed
On 13 Dec, 2019
Editor assigned
On 12 Dec, 2019
Reviewers invited
Invitations sent on 12 Dec, 2019
Submission checks complete
On 11 Dec, 2019
Editor invited
On 11 Dec, 2019
No comments provided
Review #2 received
Received 02 Nov, 2019
Editorial decision: Minor revision
On 02 Nov, 2019
Reviewer #4 agreed
On 24 Oct, 2019
Reviewer #2 agreed
On 22 Oct, 2019
Reviewer #3 agreed
On 22 Oct, 2019
Review #1 received
Received 12 Oct, 2019
Editor assigned
On 06 Oct, 2019
Reviewers invited
Invitations sent on 06 Oct, 2019
Reviewer #1 agreed
On 06 Oct, 2019
Submission checks complete
On 26 Sep, 2019
Editor invited
On 26 Sep, 2019
First submitted
On 23 Sep, 2019
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Infectious Diseases
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Infectious Diseases.
Background. Dengue is endemic in over 100 countries and is an important public health problem worldwide. Dengue is not considered endemic in Taiwan however, with importation of dengue viruses from neighboring countries via close commercial links and air travel believed to be the cause of local outbreaks. Disease control efforts have therefore focused on preventing the importation of dengue into Taiwan. Here, we investigate the relationships between numbers of imported and indigenous dengue cases to test the validity of this strategy. Methods. Dengue-fever case data from between 2013 and 2018 was obtained from the surveillance systems of the Taiwan Center for Disease Control and Kaohsiung City Health department. Standard epidemiological data, including the monthly numbers of indigenous and imported dengue cases, was calculated. Potential associations between the number of indigenous and imported cases were investigated using correlation analyses. Results. We identified a possible relationship between the period of disease concealment and the number of reported imported dengue cases which resulted in indigenous dengue-fever epidemics within local communities. Further analysis of confirmed dengue cases during previous dengue-fever epidemics in Kaohsiung City found that the risk of indigenous dengue-fever may be related to the likelihood of patients suffering from imported cases of dengue-fever staying within local communities. Conclusion. Given the correlations found between imported and indigenous dengue-fever cases, as well as the relationship between disease concealment period and risk of indigenous dengue-fever, the major priorities for disease control remain prevention of disease importation and efficient identification of dengue cases within high-risk communities.
Figure 1
Figure 2
Figure 3
This is a list of supplementary files associated with this preprint. Click to download.
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