Please use this identifier to cite or link to this item: https://doi.org/10.1093/jtm/taaa228
Title: Decreased dengue transmission in migrant worker populations in Singapore attributable to SARS-CoV-2 quarantine measures
Authors: LIM JUE TAO 
DICKENS, BORAME SUE LEE 
Ong, J
Aik, J
VERNON LEE JIAN MING 
COOK,ALEXANDER RICHARD 
Ng, LC
Keywords: Asia
COVID-19
arboviruses
non-pharmaceutical interventions
social distancing
Adult
COVID-19
Dengue
Humans
Middle Aged
Physical Distancing
Quarantine
SARS-CoV-2
Singapore
Transients and Migrants
Issue Date: 23-Feb-2021
Publisher: Oxford University Press (OUP)
Citation: LIM JUE TAO, DICKENS, BORAME SUE LEE, Ong, J, Aik, J, VERNON LEE JIAN MING, COOK,ALEXANDER RICHARD, Ng, LC (2021-02-23). Decreased dengue transmission in migrant worker populations in Singapore attributable to SARS-CoV-2 quarantine measures. Journal of travel medicine 28 (2) : 1-5. ScholarBank@NUS Repository. https://doi.org/10.1093/jtm/taaa228
Abstract: BACKGROUND: We examined the impact of SARS-CoV-2 social distancing and quarantine policies on dengue transmission in the general and migrant worker populations in Singapore. METHODS: We utilized all nationally reported dengue cases in the general and migrant worker populations from 1 January 2013 to 31 May 2020. A difference-in-difference identification strategy was used to determine the effects of social distancing and quarantine policies on reported dengue case counts over time, whilst controlling for weather patterns, seasonality, age and population size. RESULTS: A reduction of 4.8 dengue cases per age band among migrant workers was attributable to quarantine policies, corresponding to a total reduction of around 432 reported dengue cases over 10 weeks. In the general working population, an increase of 14.5 dengue cases per age band was observed, which corresponds to a total increase of around 1450 reported dengue cases in the same time period. There is an expected relative risk reduction in dengue transmission for the migrant worker population at 0.635 due to quarantine policy and a relative risk increase for the general working population due to social distancing policies at 0.685. CONCLUSIONS: Migrant workers experienced a reduced risk of dengue when they were confined to their dormitories as part of the COVID-19 social distancing measures. Our study highlights the vulnerability of migrant workers under normal working conditions.
Source Title: Journal of travel medicine
URI: https://scholarbank.nus.edu.sg/handle/10635/190900
ISSN: 1195-1982
1708-8305
DOI: 10.1093/jtm/taaa228
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