Zero-COVID
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Zero-COVID, also known as "Find, Test, Trace, Isolate and Support" (FTTIS), is a strategy pursued by some countries during the COVID-19 pandemic. This control and maximum suppression strategy involves using public health measures such as contact tracing, mass testing, border quarantine, lockdowns and tracing software 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 detected infections.[1][2] It is an elimination strategy as opposed to a mitigation strategy.
"Close to zero" is generally defined as fewer than 10 cases per 100,000 people.[3] To achieve zero-COVID in an area with high infection rates, one review estimated that it would take three months of strict lockdown.[4]
This strategy was utilized by Australia, China, New Zealand, Singapore, Taiwan and portions of Canada.[2][5][4] As of October 2021, due to challenges with the delta variant and also the arrival of COVID-19 vaccines, China is the only country still pursuing a zero-COVID strategy.[2][6][7]
Advocates of the zero-COVID approach support "going hard and early in introducing new lockdowns and measures to tackle any new outbreaks....Overreaction is the most effective response when it comes to stopping exponential growth". Opponents say "it's not realistic to eliminate a respiratory virus such as SARS-CoV-2, any more than it is to eliminate the flu or the common cold".[3]
See also
References
- ^ Bociurkiw, Michael. "Opinion: Omicron and the Olympics could be on a collision course with China's zero-Covid strategy". CNN. Retrieved 2022-01-02.
- ^ a b c Fay Cortez, Michelle; Thomson, Ainsley. "China, Isolated From the World, Is Now the Last Major Country Still Pursuing a 'Zero COVID' Strategy". Time. Retrieved 2022-01-02.
- ^ a b David Livermore (March 28, 2021). "'Zero Covid' - an impossible dream". HART – Health Advisory & Recovery Team.
- ^ 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.
- ^ Hale, Erin. "After early success, Taiwan struggles to exit 'zero COVID' policy". Al Jazeera. Retrieved 2022-01-02.
- ^ "How much longer can China keep up its zero-Covid strategy?". The Guardian. 2022-01-01. Retrieved 2022-01-02.
- ^ Normile, Dennis (19 November 2021). "'Zero COVID' is getting harder—but China is sticking with it". Science. 374 (6570): 924–924. doi:10.1126/science.acx9657. eISSN 1095-9203. ISSN 0036-8075. PMID 34793217.
Further reading
- Skegg, David; Hill, Philip C (2021-07-15). "Defining covid-19 elimination". BMJ. BMJ: n1794. doi:10.1136/bmj.n1794. ISSN 1756-1833.
- Anna Llupià, Rodríguez-Giralt, Anna Fité, Lola Álamo, Laura de la Torre, Ana Redondo, Mar Callau and Caterina Guinovart (2020) What Is a ZeroCOVID Strategy, Barcelona Institute for Global Health - COVID-19 & response strategy.
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