Rapid Control of a SARS-CoV-2 B.1.617.2 (Delta) Variant COVID-19 Community Outbreak: The Successful Experience in Pingtung County of Taiwan

The Severe Acute Respiratory Syndrome-associated Coronavirus 2 (SARS-CoV-2) was an outbreak in December, 2019 and rapidly spread to the world. All variants of SARS-CoV-2, including the globally and currently dominant Delta variant (Delta-SARS-CoV-2), caused severe disease and mortality. Among all va...

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Published in:International journal of environmental research and public health 2022-01, Vol.19 (3), p.1421
Main Authors: Shy, Cherng-Gueih, Lu, Jian-He, Lin, Hui-Chen, Hung, Min-Nan, Chang, Hsiu-Chun, Lu, Meng-Lun, Chao, How-Ran, Chen, Yao-Shen, Wang, Pi-Sheng
Format: Article
Language:English
Subjects:
Air pollution
Communicable Disease Control
Coronaviruses
COVID-19
COVID-19 vaccines
Disease Outbreaks
Disease transmission
Environmental factors
Epidemics
Humans
Immunization
Outbreaks
Public health
Rural areas
SARS-CoV-2
Severe acute respiratory syndrome
Severe acute respiratory syndrome coronavirus 2
Taiwan - epidemiology
Vaccination
Vaccines
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Summary:The Severe Acute Respiratory Syndrome-associated Coronavirus 2 (SARS-CoV-2) was an outbreak in December, 2019 and rapidly spread to the world. All variants of SARS-CoV-2, including the globally and currently dominant Delta variant (Delta-SARS-CoV-2), caused severe disease and mortality. Among all variants, Delta-SARS-CoV-2 had the highest transmissibility, growth rate, and secondary attack rate than other variants except for the new variant of Omicron that still exists with many unknown effects. In Taiwan, the pandemic Delta-SARS-CoV-2 began in Pingtung from 14 June 2021 and ceased at 11 July 2021. Seventeen patients were infected by Delta-SARS-CoV-2 and 1 person died during the Pingtung outbreak. The Public Health Bureau of Pingtung County Government stopped the Delta-SARS-CoV-2 outbreak within 1 month through measures such as epidemic investigation, rapid gene sequencing, rapidly expanding isolation, expanded screening of the Delta-SARS-CoV-2 antigen for people who lived in regional villages, and indirect intervention, including rapid vaccination, short lockdown period, and travel restrictions. Indirect environmental factors, such as low levels of air pollution, tropic weather in the summer season, and rural areas might have accelerated the ability to control the Delta-SARS-CoV-2 spread. This successful experience might be recommended as a successful formula for the unvaccinated or insufficiently vaccinated regions.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph19031421