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Zero-COVID is a strategy pursued by some countries during the COVID-19 pandemic. It involves using aggressive measures such as lockdowns and closed borders[1] in order to stop the spread of COVID-19 as soon as it is detected, with the goal of getting the area back to zero active infections. It is an elimination strategy as opposed to a mitigation strategy.
This strategy was utilized by China, Australia, Singapore, and New Zealand.[1][2] As of October 2021, due to challenges with the delta variant and also the arrival of vaccines, China is the only country still pursuing a zero-COVID strategy.[1]
To achieve zero-COVID in an area with high infection rates, one review estimated that it would take three months of strict lockdown.[2]
References
- ^ a b c "China, Isolated From the World, Is Now the Last Major Country Still Pursuing a 'Zero COVID' Strategy". Time. Retrieved 2022-01-02.
- ^ a b Mégarbane, Bruno; Bourasset, Fanchon; Scherrmann, Jean-Michel (2021-09-20). "Epidemiokinetic Tools to Monitor Lockdown Efficacy and Estimate the Duration Adequate to Control SARS-CoV-2 Spread". Journal of Epidemiology and Global Health. 11 (4): 321–325. doi:10.1007/s44197-021-00007-3. ISSN 2210-6006. PMC 8451385. PMID 34734383.