Curbing COVID-19 through border controls and restricted entry

In our newest interview, we spoke to epidemiologist Dr. Sheng-Chia Chung about her newest analysis that investigated curbing COVID-19 transmission by border controls and restricted entry.

Please might you introduce your self and inform us what impressed your analysis into COVID-19?

I’m an epidemiologist initially from Taiwan. When coronavirus returned in 2019, it’s pure for an epidemiologist to contribute to the COVID-19 response.

Many analysis efforts have been devoted to stopping the unfold of the SARS-CoV-2 virus. Why is it vital to make sure we now have efficient measures in place to cease its transmission?

With efficient measures in place, lots of the COVID-19 mortality and morbidity could be prevented.

The objective of efficient measures is to interrupt the transmission of SARS-CoV-2, stopping the virus from spreading to inclined and weak people, particularly these with the next threat of creating extreme signs or dying of COVID-19.

Unfold of COVID-19. Picture Credit score: ETAJOE/

The discover, take a look at, hint, isolate, and help (FTTIS) system has been adopted by many international locations to assist management the unfold of the virus, nonetheless, silent transmission is poorly understood. Why is that this and why is it vital to acknowledge the distinctive traits of the SARS-CoV-2 virus?

One of many major causes could be the transmission by presymptomatic and asymptomatic people. Efficient contact tracing and satisfactory testing might tackle this subject.

The rising SARS-Cov-2 variants with the next assault charge are the opposite concern. It’s thus vital to watch and replace our understanding of the evolution of SARS-CoV-2 and its impression on the susceptibility of the inhabitants.    

Are you able to describe the way you carried out your newest analysis into COVID-19 transmission? What did your outcomes present?

Our analysis reviewed research on measures to forestall SARS-Cov-2 transmission through the fast response section of the pandemic. We discovered {that a} profitable discover, take a look at, hint, isolation, and help program (FTTIS) for COVID-19 requires:

Case discovering through measures equivalent to border controls, restricted entry, and inbound traveler quarantine, mixed with testing high-risk populations and contacts of identified COVID-19 sufferers. Well timed and repeated testing could also be essential to reduce false-negative outcomes. Hint digital instruments can help in outbreak investigation, contact tracing, and monitoring compliance with self-isolation. A person contaminated by SARS-CoV-2 can actively shed the virus three weeks or longer after signs onset.

A 2-week quarantine interval with an extension when required might interrupt additional transmission. Assist supplies satisfactory provides or allowance for people throughout self-isolation. A profitable FTTIS requires seamless integration of all of the elements and the flexibility to combine weak populations or ethnic minorities.

A well timed and efficient FTTIS additionally facilitates public belief that’s elementary within the joint COVID-19 response within the inhabitants, because it depends on people to voluntarily present their info and cling to illness management laws.


Quarantine. Picture Credit score: Natasa Adzic/

How might your analysis even be utilized to future pandemics?

Our analysis identifies determinants of profitable FTTIS methods for COVID-19 response. We’ve got seen that international locations going by SARS in 2003 and had experiences making use of FTTIS for coronavirus outbreaks have much less incidence and mortality due to COVID-19.

Because the COVID-19 pandemic continues, the outcomes from the present analysis can help populations to handle the present and put together for future pandemics.

What can international locations and governments do now to assist forestall the unfold of COVID-19? Do you imagine that with restricted entry and quarantine, we might probably scale back the unfold of the virus?

Nations and governments can mix efficient FTTIS methods with vaccination applications to forestall the unfold of SARS-CoV-2.

Restricted entry and quarantine is the primary line of safety stopping the virus from coming into a inclined inhabitants and spreading.  It ought to be executed correctly, with the streamlined technique of testing, triage, separate pathways, referral, transport, quarantine areas, and follow-up. Every step requires correct infectious management and administration.

The COVID-19 pandemic has additionally taught us the significance of working collectively to realize objectives and make fast scientific progress. How vital was collaboration to your analysis?

The analysis was solely attainable with the selfless contribution of all collaborators, from completely different international locations and numerous disciplines (scientist, clinicians, city designer, authorized practitioner, and engineer), pushed by the frequent objective for a greater COVID-19 response.

COVID-19 pandemic has made an enduring impression on all facets of human societies worldwide. To beat the challenges have COVID-19 laid out for all of us, worldwide we have to be a part of collectively to search out wise options collectively.

What are the following steps in your analysis?

I’m at the moment engaged on a case examine of COVID-19 response in Taiwan.

The place can readers discover extra info?

The total analysis article could be discovered right here:

About Dr. Sheng-Chia Chung

Sheng-Chia Chung is at the moment a senior analysis affiliate on the College School London, an epidemiologist, and an analyst within the fields of well being informatics, epidemiology, and worldwide comparisons.Dr. Sheng-Chia Chung

Extra concerning the analysis work of Sheng-Chia could be discovered at:

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