List of countries implementing pool testing strategy against COVID-19
If not otherwise stated, the virological status of sample pools is evaluated through PCR tests.
Screening strategies
General population
| Country | Institution | Date | Total sampled | Number in pools | Specimen Type | References | |
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| Switzerland | 18/12/2021 | >6,000,000 | 10 | Saliva | |||
| United States Washington | University of Washington | 7/23/2020 | >100,000 | 4 | Nasopharyngeal swab | ||
| United States California | Stanford Medical Center | 06/03/2020 | 2,888 (3 positives) | 10 | Nasopharyngeal swab | ||
| United States Nebraska | University of Nebraska | 20/04/2020 | 1,700/week | 5 | Nasopharyngeal swab | ||
| United States Kansas | Clinical Reference Laboratory, Lenexa | 31/08/2020 | 6,000/week | 5 | Saliva |
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| Spain | Fundación Biomédica Galicia Sur, CHUVI | 10/08/2020 | 100,000/month | 20 | Saliva |
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| Israel | Rambam Clinical Microbiology Laboratory | 18/03/2020 | N.A. | up to 64 | Nasopharyngeal swab |
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| Germany | Saarland University Medical Center | 29/04/2020 | 22,000 | 30 | Nasopharyngeal swab | ||
| China | Wuhan Centre for Disease Control | 08/06/2020 | >1M | 5-10 | Nasal/Oral swabs |
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| China | Qingdao | 08/06/2020 | 7M | To confirm | To confirm |
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| China | Kashgar City | 26/11/2020 | 4.5M | To confirm | To confirm |
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| China | Qingdao City | 15/10/2020 | 11M | 10 | To confirm |
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| Portugal | Algarve Biomedical Centre | 24/04/2020 | 17,000 | 10 | Nasopharyngeal swab |
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| Australia | Victorian Infectious Diseases Reference Laboratory, Melbourne | 25/08/2020 | 10,312 | 2-8 | Nasopharyngeal swab |
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| Singapore | Ministry of Health | 02/2020 | 9,000 | 10 | N.A. |
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| Ghana | Noguchi Memorial Institute for Medical Research | 04/2020 | 30,000 | 10 | Mixed origin |
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| Philippines | Makati Health Department | 15/08/2020 | 10,000 | Unknown | Unknown |
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| Vietnam | Danang Center for Disease Control | 05/08/2020 | >10,000 | Unknown | Unknown |
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| Ecuador | Universidad de Las Americas | 05/08/2020 | 1,500 | 3 | Nasopharyngeal swabs |
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| South Korea | Jeonbuk National University Medical School and Hospital, Jeonju | 14/07/20 |
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| India Uttar Pradesh | King George's Medical University, Lucknow |
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| India West Bengal | |||||||
| India Punjab | |||||||
| India Chhattisgarh | |||||||
| India Maharashtra | |||||||
| Malaysia | International Medical University, Kuala Lumpur | 27/04/2020 | 2,732 (52 positives) | 10 | Nasopharyngeal swab | ||
| Uruguay | Pan American Health Organisation (PAHO). | 22/09/2020 | 10 | ||||
| Morocco | Casablanca | 09/06/2020 | 5-10 |
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| Brazil | Florianópolis | 05/05/2020 | 19,535 (246 positives) | 16 | Nasopharyngeal swab |
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Campus screening strategies
| Country | Campus | Date | Total sampled | Number in pools | Specimen Type | References |
|---|---|---|---|---|---|---|
| Switzerland | Université de Genève | 2021 | saliva |
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| UK | University of Nottingham | 25/09/2020 | self-collected saliva |
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| UK | Cambridge University | 25/09/2020 | expected: 16 000/week | self-collected nasopharyngeal |
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| Belgium | Université de Liège | 26/06/2020 | expected: 30,000/week | 8 | self-collected saliva |
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| United States | College of Mount Saint Vincent | 09/2020 | 5 to 24 | self-collected saliva |
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| United States | Duke University | 08/2020 | 5 to 10 | self-collected nasal |
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| United States | Michigan State University | 08/2020 | 14,000/week | 8 or 10 | self-collected saliva |
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| United States | Syracuse University | 07/2020 | 20,000/week | 25 | self-collected saliva |
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| United States | University of South Florida | 08/2020 | ? | 5 to 10 | ? |
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| United States | Colorado School | 03/11/2020 | (expected: 3,000/week) | 8 | self-collected saliva |
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| United States | Shenandoah University | 15/10/2020 | 2,000 | self-collected saliva |
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SUNY campuses are implementing a pool testing strategy based on saliva samples, including Cornell, SUNY Fredonia or SUNY Oneonta.
The University of Tennessee is also implementing a saliva pool testing strategy.
Researchers from Yale University, Georgia Augusta University, the University of Illinois, are also considering or implementing pool testing strategies.
Small-scale screening or experimental protocols
| Country | Institution | Date | Total sampled | Number in pools | Specimen Type | References |
|---|---|---|---|---|---|---|
| France | Hôpital Bichat | 03/06/2020 | 448 | 16 | nasopharyngeal swab | |
| Spain | Hospital Clínico Universitario, Institute for Research, Valencia | 04/05/2020 | N.A. | 5-10 | nasopharyngeal swab |
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| Spain | Universidade de Santiago, Santiago | 02/06/2020 | N.A. | 5-20 | nasopharyngeal swab |
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| Chile | Universidad Austral de Chile | 06/2020 | 610 | 20 | nasopharyngeal swab |
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| Kenya | Pwani University & Oxford | 13/08/2020 0 | 1500 | 6 | nasopharyngeal swab |
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| Thailand | Chulalongkorn University, Bangkok | 13/08/2020 | N.A. | 10 | nasopharyngeal swab | |
| Rwanda | University of Rwanda, Kigali | 30/04/2020 | N.A. | 20-100 | oropharyngeal swab |
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| Italy | Sant'Andrea Hospital and Sapienza University, Rome | 03/08/2020 | >2035 | 5 | naso-oropharyngeal swab |
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| Thailand | Mahidol University, Bangkok | 25/08/2020 | N.A. | 5-10 | saliva |
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