Vietnam’s Effective and Low-Cost Response to COVID-19
- September 10, 2020
Vietnam’s ‘Third Degree Contact Tracing’ approach is unique. Patients who tested positive were labelled ‘F0’ and epidemiologists worked with them to identify, trace and test all the people they had been in close contact with over the past 14 days. Detailed information about the movements of F0s was published in local media (with confidentiality maintained) so that people who had been in contact with them (defined as having been within 2 meters of the person or within an enclosed space for more than 30 minutes) could come forward for testing. These ‘F1’ contacts were tested and quarantined. Close contacts of F1s, the F2s, were also traced and tested and asked to quarantine at home.
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