South Korean Security forces were not deployed in quarantine prevention.  It is notable that very little force nor show of force was used in containment.

University of California, Davis

- Isolate and quarantine by transformed public facilities and retreat centers owned by private corporations into temporary isolation wards to care for COVID-19 patients while preventing transmission within households, and to relieve hospitals of bed shortages
- A government epidemiological investigation of the Shincheonji Church of Jesus, at the origin of a large contagion cluster in the city of Daegu
- Intense and compulsory contact tracing
- Strict digital monitoring of quarantines, with fines and prison terms to deter violators
- Entry bans limited to Chinese nationals with a passport issued from Hubei province and anyone who has visited Hubei province within the past 14 days
- The government intervened in the production and market of masks and other PPE's to minimize the problems of shortage and hoarding as much as possible

South Korea's Effort to Contain Covid-19

Testing on the move: South Korea’s rapid response to the COVID-19 pandemic. (2020, May 1). US National Library of Medicine, National Institute of Health. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7172645/

Testing on the move: South Korea's rapid response to the COVID-19 pandemic

Contact tracing is used by health departments to prevent the spread of infectious disease. In general, contact tracing involves identifying people who have an infectious disease (cases) and people who they came in contact with (contacts) and working with them to interrupt disease spread. This includes asking people to isolate and their contacts to quarantine at home voluntarily. Contacts are also asked to monitor their symptoms daily, e.g., temperature checks, self-assessments based on common symptoms, and to get tested if any symptoms develop during their isolation.

What is Contact Tracing?

When necessary, the officers were permitted to draw on four major types of information in addition to patient and doctor interviews:

- Facility visits, including pharmacies and medical facilities
- Cellular GPS data from cell phones
- Credit card transaction logs
- Closed-circuit television

The South Korean Government also developed apps that collected relevant data, which eased the burden on EIS officers and made it possible for them to cope with the high volume of investigations.

Ways that South Korea has proceeded Contact Tracing Using Big Data

Updated as of July, both Korean nationals and foreign nationals are required to Install the Self-Quarantine Safety Protection App prior to entry.  Effective as of April 1st, the Republic of Korea’s Ministry of Health and Welfare (MOHW) imposed a mandatory 14-day quarantine for all inbound passengers with short-term visas.  Korean visa applications to Hubei Province will be denied.  All visa-free entry to Chinese nationals and foreign nationals traveling through China has been suspended.  Foreign nationals who break quarantine laws are subject to deportation.

Travel restrictions

An Epidemic investigation is a set of procedures used to identify the the infectious agent,responsible for the spread of a disease. The bellow steps outline the process of investigating an outbreak: 
- Prepare for field work
- Establish the existence of an outbreak
- Verify the diagnosis
- Construct a working case definition
- Find cases systematically and record information
- Perform descriptive epidemiology
- Develop hypotheses
- Evaluate hypotheses epidemiologically
- As necessary, reconsider, refine, and re-evaluate hypotheses
- Compare and reconcile with laboratory and/or environmental studies
- Implement control and prevention measures
- Initiate or maintain surveillance
- Communicate findings

Epidemiological Investigations

Security Forces Not Deployed

Personal Protect Equipment is an important method for virus containment.  South Korea briefly placed a ban on the exportation of Personal Protective Equipment (PPE) following shortages on such supplies.  During this time, the government took full control of PPE production, logistics, and distribution.  Mask prices were fixed at 1,500 won ($1.27 USD), sales were limited two per person, every other day.  South Korea is not the only nation to have implemented such measures.  To date, there are no documented South Korean hospitals which were forced to reuse PPE.  Public response to such measures was mixed.

Covid-19 Containment in South Korea Through Personal Protective Equipment Management

An amendment to South Korea's Infectious Disease Control and Prevention Act, effective April 5, 2020, increased maximum penalties for violating self-quarantine or intentionally providing inaccurate information to public health officials. Violators face fines up to 10 million won (\$8,307 USD) or up to one year in prison.

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