Epidemiologic Characteristics of Imported and Domestic Chikungunya Cases in Taiwan: A 13-Year Retrospective Study

Chou, Yu‐Ching; Hsieh, Chung‐Ching; Cheng, Chun-An; Wu, Ding-Chung; Wu, Wen‐Chih; Lin, Fu-Huang; Yu, Chia-Peng

doi:10.3390/ijerph17103615

Cited by 9 publications

(7 citation statements)

References 26 publications

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“…Notably, most insect-borne diseases spread to Taiwan through passengers and goods at seaports and airports. Because global warming has led to a rise in fall and winter temperatures, the replication of viruses carried by mosquitoes has accelerated, and the scope of virus transmission has expanded, which threatens public health in Taiwan [ 30 ]. Thus, early testing and strengthening health education for high-risk DF passengers arriving from endemic areas should be implemented.…”

Section: Discussionmentioning

confidence: 99%

Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan

Wang

Tsay

2022

IJERPH

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Dengue fever (DF) is a mosquito-borne disease prevalent in the tropics (e.g., sub-Saharan Africa, Asia, and Central and South America) and a common cause of febrile illness in travelers. The high incidence of imported DF in Taiwan has led to a domestic outbreak. This study explored the risk factors associated with individuals given diagnoses of imported DF at international airports in Taiwan. The results may serve as a reference for DF prevention. In this retrospective study, data from the symptom notification system database of the Taiwan Centers for Disease Control (TCDC) were used. These data concerned travelers who returned to Taiwan from DF-endemic areas with suspected DF symptoms. The epidemiological characteristics of the cases were analyzed, and 28 variables related to DF infection were included in the multivariate logistic regression analysis. In 2018–2019, there were 8656 cases (451 positive and 8205 negative cases). The results revealed DF symptoms and a 16–30-day stay in endemic areas to be independent risk factors and the presence of three respiratory symptoms and <10 days of short-term travel to be protective factors. These results may enable the accurate assessment of symptoms in travelers with DF as well as the risk factors associated with imported DF, lowering the risk of indigenous DF outbreaks caused by imported DF.

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Section: Discussionmentioning

confidence: 99%

Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan

Wang

Tsay

2022

IJERPH

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“…The authors guarantee the added value of this study, thus conforming to the guidelines for public use of government reports. [ 26 , 27 ]…”

Section: Methodsmentioning

confidence: 99%

Epidemiological features and risk factors for measles and rubella in Taiwan during 2011 to 2020

Chen

Chou

et al. 2022

Medicine

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The risk of geographic transmission of infectious diseases due to air travel varies greatly. Our aim is to survey empirical data that provide a retrospective historical perspective on measles and rubella. This study used the open data website provided by the Taiwan Centers for Disease Control (TCDC) to extract the reported numbers of measles and rubella case between 2011 and 2020. There were 306 cases of measles and 135 cases of rubella. The incidence of measles and rubella per million population were 0 to 6.0 and 0 to 2.6, respectively. There was a gradual increase in the numbers of cases in those aged 20-39 years, and distinct duration patterns. It indicated that the risk of contracting rubella has significantly decreased in the last 5 years. Measles cases aged 20 to 39 years accounted for 72.5% of all cases. Rubella cases aged 20 to 39 years accounted for 59.3% of all cases. The male and residency in the Taipei metropolitan area or northern area were identified as potential risk factors for measles and rubella. Coverage with the first dose of the measles, mumps and rubella (MMR) vaccine in Taiwan increased from 97.31% to 98.86%, and the uptake rate of the second dose of the MMR vaccine increased from 95.73% to 98.39% between 2010 and 2020. Furthermore, the numbers of imported cases of measles (n = 0) and rubella (n = 0) reported during the coronavirus disease 2019 (COVID-19) pandemic were lower than those from 2011 to 2019. Measles and rubella cases were imported most frequently from Cambodia and Vietnam. This study represents the first report of confirmed cases of acquired measles and rubella from surveillance data of the TCDC between 2011 and 2020, also demonstrates that the numbers of cases of measles and rubella significantly decreased in Taiwan during the COVID-19 pandemic.Abbreviations: COVID-19 = coronavirus disease-2019, MMR = measles, mumps and rubella, TCDC = Taiwan centers for disease control, TNIDSS = Taiwan national infectious disease statistics system.

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“…This study did not require ethical approval as it involves information freely available in the public domain, and the analysis of open dataset sources, where the data are properly anonymized [ 24 ].…”

Section: Methodsmentioning

confidence: 99%

An Increased Risk of School-Aged Children with Viral Infection among Diarrhea Clusters in Taiwan during 2011–2019

et al. 2021

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Acute diarrhea is mainly caused by norovirus and rotavirus. Numerous factors modify the risk of diarrhea cluster infections and outbreaks. The purpose of this study was to explore the epidemiological characteristics, differences, and trends in the distribution of viral and bacterial pathogens that cause diarrhea cluster events as well as the public places where diarrhea cluster events took place in Taiwan from 2011 to 2019. We examined publicly available, annual summary data on 2865 diarrhea clusters confirmed by the Taiwan Centers for Disease Control (CDC) from 2011 to 2019. There were statistically significant differences (p < 0.001) in event numbers of diarrhea clusters among viral and bacterial pathogens, and statistically significant differences (p < 0.001) in event numbers of diarrhea clusters among bacterial pathogens. There were also statistically significant differences (p < 0.001) in the event numbers of diarrhea clusters among public places. Norovirus infections were the first most numerous (77.1%, 1810/2347) diarrhea clusters among viral and bacterial infections. Among bacterial infections, Staphylococcus aureus infections accounted for the greatest number of diarrhea clusters (35.5%, 104/293). Schools were the places with the greatest number of diarrhea clusters (49.1%, 1406/2865) among various institutions. Norovirus single infection (odds ratio, OR = 4.423), Staphylococcus aureus single infection (OR = 2.238), and school (OR = 1.983) were identified as risk factors. This is the first report of confirmed events of diarrhea clusters taken from surveillance data compiled by Taiwan’s CDC (2011–2019). This study highlights the importance of long-term and geographically extended studies, particularly for highly fluctuating pathogens, to understand the implications of the transmission of diarrhea clusters in Taiwan’s populations. Importantly, big data have been identified that can inform future surveillance and research efforts in Taiwan.

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Epidemiologic Characteristics of Imported and Domestic Chikungunya Cases in Taiwan: A 13-Year Retrospective Study

Cited by 9 publications

References 26 publications

Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan

Risk Factors Associated with Passengers with Imported Dengue Fever at International Airports in Taiwan

Epidemiological features and risk factors for measles and rubella in Taiwan during 2011 to 2020

An Increased Risk of School-Aged Children with Viral Infection among Diarrhea Clusters in Taiwan during 2011–2019

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