| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | AA | AB | AC | AD | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Updated 15-JUN-2020, Maintained by Henrik Jarlov, | @DrJarlov | Note: The results included in this list are predominantly not peer-reviewed and inclusion on the list does not constitute a review of quality | |||||||||||||||||||||||||||
2 | Anti-SARS-CoV-2 screening studies | |||||||||||||||||||||||||||||
3 | Cohort | Country | Population | Sample date | Sample size (N) | Positive samples (n) | Positive (%) | Antibody testing method | Excess to PCR | Estimated IFR (%) | Source type | Source | ||||||||||||||||||
4 | Hong Kong, Hospital lab samples | HK | Hospital lab samples | APR 2018 to FEB 2020 | 1,938 | 0/53 | 0/2.73 | microneutralization/EIA | NR | NR | Peer reviewed | https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(20)30053-7/fulltext | ||||||||||||||||||
5 | Jordan, Blood donors | JO | Blood donors | JAN-JUN 2020 | 746 | 0 | 0.0 | ECLIA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.06.06.20123919v1.full.pdf | ||||||||||||||||||
6 | Italy, Milan, Blood Donors | IT | Blood donors | 24 FEB to 08 APR | 789 | NR | 4.6-7.1 | Lateral flow | x20 | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.11.20098442v1.full.pdf | ||||||||||||||||||
7 | Hong Kong, Hubei evacuees | HK | Public | 05-18 MAR | 452 | 17 | 4.0 | microneutralization/EIA | x33 | 0.16 | Peer reviewed | https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(20)30053-7/fulltext | ||||||||||||||||||
8 | Scotland, Blood Donors 1 | UK | Blood donors | 17 Mar | 500 | 0 | 0.0 | ELISA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.13.20060467v1.full.pdf | ||||||||||||||||||
9 | Scotland, Blood Donors 2 | UK | Blood donors | 21-23 MAR | 500 | 6 | 1.2 | ELISA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.13.20060467v1.full.pdf | ||||||||||||||||||
10 | USA, Telluride, First Responders | US | First responders | 22 Mar | 645 | 0 | 0.0 | NR | N/A | N/A | Gvt. institution | https://www.sanmiguelcountyco.gov/CivicAlerts.aspx?AID=492 | ||||||||||||||||||
11 | France, Oise, Blood Donors | FR | Blood donors | 23-27 MAR | 200 | 6 | 3.0 | ELISA/LIPS/S-flow | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.18.20071134v1.full.pdf | ||||||||||||||||||
12 | France, Oise, High School | FR | Public | 23-27 MAR | 661 | 171 | 25.9 | ELISA/LIPS/S-flow | NR | 0.0 | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.18.20071134v1.full.pdf | ||||||||||||||||||
13 | Finland, non-infectious hospital lab samples | FI | Public | 23-29 MAR | 145 | 1 | 0.7 | Lateral flow | NR | NR | Gvt. institution | https://thl.fi/web/thlfi-en/-/number-of-people-with-coronavirus-infections-may-be-dozens-of-times-higher-than-the-number-of-confirmed-cases | ||||||||||||||||||
14 | UK, London, Blood donors | UK | Blood donors | 23-29 MAR | ~1,000 | NR | 1.5 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
15 | Belgium, Flanders, Blood donors | BE | Blood donors | 30-Mar | 584 | NR | 1.3 | NR | NR | NR | Gvt. institution | https://covid-19.sciensano.be/sites/default/files/Covid19/COVID-19_Weekly%20report_20200529%20-%20NL_0.pdf | ||||||||||||||||||
16 | USA, San Francisco, Blood donors | US | Blood donors | ? MAR | 1,000 | 1 | 0.1 | CLIA and neutralization | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.19.20107482v1.full.pdf | ||||||||||||||||||
17 | USA, San Francisco, Hospital patients | US | In-hospital patients | ? MAR to ? APR | 387 | 5 (1 patient) | 0.3 | CLIA and neutralization | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.19.20107482v1.full.pdf | ||||||||||||||||||
18 | USA, New York, Health care workers | US | Health care workers | 24 MAR to 04 APR | 285 | 93 | 33.0 | ELISA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.27.20090811v1.full.pdf | ||||||||||||||||||
19 | Finland, non-infectious hospital lab samples | FI | Public | 30 MAR to 05 APR | 150 | 0 | 0.0 | Lateral flow | NR | NR | Gvt. institution | https://thl.fi/web/thlfi-en/-/number-of-people-with-coronavirus-infections-may-be-dozens-of-times-higher-than-the-number-of-confirmed-cases | ||||||||||||||||||
20 | Germany, Gangelt, General Public | DE | Public | 31 MAR to 06 APR | 919 | 125 | 14.1 | ELISA | NR | 0.4 | Pre-print | https://www.ukbonn.de/C12582D3002FD21D/vwLookupDownloads/Streeck_et_al_Infection_fatality_rate_of_SARS_CoV_2_infection2.pdf/%24FILE/Streeck_et_al_Infection_fatality_rate_of_SARS_CoV_2_infection2.pdf | ||||||||||||||||||
21 | UK, London, Healthcare workers | UK | Health care workers | 26 MAR to 08 APR | 181 | 82 | 45.3 | ELISA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.06.08.20120584v1.full.pdf | ||||||||||||||||||
22 | China, Hubei, Chongqing, Guangdong, Health care workers and in-hospital patients | CN | Health care workers and in-hospital patients | 09 MAR to 10 APR | 6,919 | 170 | 2.5 | MCLIA | NR | NR | peer reviewed | https://www.nature.com/articles/s41591-020-0949-6.pdf | ||||||||||||||||||
23 | China, Hubei, Sichuan, Guangdong, general public | CB | Public | 10 MAR to 10 APR | 10,449 | 81 | 0.8 | MCLIA | NR | NR | peer reviewed | https://www.nature.com/articles/s41591-020-0949-6.pdf | ||||||||||||||||||
24 | USA, Telluride, General Public | US | Public | MAR-APR | 5,455 | 29 | 0.5 | NR | NR | NR | Gvt. institution | https://sanmiguelco.maps.arcgis.com/apps/opsdashboard/index.html#/56e682135d1d4128bee1a0426aed1d10 | ||||||||||||||||||
25 | Germany, Hamburg, General Public | DE | Public | 27-MAR to 17 APR | ~1,300 | NR | 1.9 | NR | NR | NR | Media | https://www.spiegel.de/wissenschaft/medizin/coronavirus-wie-antikoerpertests-dabei-helfen-die-pandemie-zu-verstehen-a-2258edcd-a304-4ee0-83cc-76a24f340c45 | ||||||||||||||||||
26 | Spain, Barcelona, Health Care Workers | ES | Health care workers | 28 Mar to 09 APR | 583 | 54 | 9.3 | Luminex | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.27.20082289v1 | ||||||||||||||||||
27 | UK, Midlands, Blood donors | UK | Blood donors | 30 MAR to 05 APR | ~1,000 | NR | ~1.5 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
28 | Belgium, residual sera from private labs | BE | Public | 30 MAR to 05 APR | 3,910 | 100 | 2.6 | ELISA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.06.08.20125179v1.full.pdf | ||||||||||||||||||
29 | Japan, Kobe, Non-infectious hospital samples | JP | Public | 31 MAR to 07 APR | 1,000 | 33 | 3.3 | Lateral flow | x506-x1,013 | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.26.20079822v1.full.pdf | ||||||||||||||||||
30 | Denmark, Copenhagen, Blood Donors | DK | Blood donors | 01-03 APR | 1,000 | 27 | 2.7 | Lateral flow | NR | NR | Media | https://www.dr.dk/nyheder/indland/blodbanker-tester-om-donorer-har-haft-coronavirus | ||||||||||||||||||
31 | Denmark, Midtjylland, Blood Donors | DK | Blood donors | 02-03 APR | 244 | 0 | 0.0 | Lateral flow | NR | NR | Media | https://www.dr.dk/nyheder/indland/blodbanker-tester-om-donorer-har-haft-coronavirus | ||||||||||||||||||
32 | USA, Santa Clara, General Public (1) | US | Public | 03-04 APR | 3,330 | 50 | 1.5 | Lateral flow | x26-x95 | 0.17 | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v1 | https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v2.full.pdf | |||||||||||||||||
33 | China, Wuhan, Public | CN | Public | 03-15 APR | 1,021 | 98 | 9.6 | NR | NR | NR | Peer reviewed | https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmv.25904 | ||||||||||||||||||
34 | China, Wuhan, Hospitalized patients | CN | In-hospital patients | 03-15 APR | 381 | 39 | 10.3 | NR | NR | NR | Peer reviewed | https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmv.25904 | ||||||||||||||||||
35 | USA, Philadelphia, Pennsylvania, pregnant women | US | Pregnant women | 04-15 APR | 237 | 14 | 5.9 | ELISA | x10 | 0.3 | Pre-print | https://www.researchsquare.com/article/rs-27402/v1 | ||||||||||||||||||
36 | Italy, Robbio, General Public | IT | Public | ? APR | 910 | 100 | 11.0 | NR | x10 | <0.7 | Media | https://www.tgcom24.mediaset.it/cronaca/a-robbio-pv-il-22-ha-o-ha-avuto-il-coronavirus-ok-del-sindaco-ai-test-per-tutti_17285128-202002a.shtml | ||||||||||||||||||
37 | Finland, non-infectious hospital lab samples | FI | Public | 06-12 APR | 147 | 5 | 3.4 | Lateral flow | x24 | NR | Gvt. institution | https://thl.fi/web/thlfi-en/-/number-of-people-with-coronavirus-infections-may-be-dozens-of-times-higher-than-the-number-of-confirmed-cases | ||||||||||||||||||
38 | Switzerland, Geneva, Health Panel | CH | Public | 06-10 APR | 341 | 12 | 3.5 | ELISA | NR | NR | Peer reviewed | https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2931304-4 | ||||||||||||||||||
39 | Denmark, Blood Donors 1 | DK | Blood donors | 06-08 APR | 4,072 | NR | 1.5 | Lateral flow | NR | 0.082* | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.24.20075291v1.full.pdf | https://bloddonor.dk/coronavirus/ | |||||||||||||||||
40 | USA, LA County, General Public (1) | US | Public | 10-14 APR | 863 | 35 | 4.3 | Lateral flow | NR | NR | Peer reviewed | https://jamanetwork.com/journals/jama/fullarticle/2766367?utm_source=twitter&utm_campaign=content-shareicons&utm_content=article_engagement&utm_medium=social&utm_term=051820#.XsLsOcW59A8.twitter | ||||||||||||||||||
41 | Brazil, Rio Grande Do Sul, General Public | BR | Public | 11-13 APR | 4,188 | 2 | 0.1 | Lateral flow | NR | 0.42 | Pre-print | https://www.estado.rs.gov.br/upload/arquivos//pesquisa-ufpel-fase2-20200428.pdf | https://www.medrxiv.org/content/10.1101/2020.05.01.20087205v1.full.pdf | |||||||||||||||||
42 | Switzerland, Geneva, Health Panel | CH | Public | 14-17 APR | 469 | 28 | 6.0 | ELISA | NR | NR | Peer reviewed | https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2931304-3 | ||||||||||||||||||
43 | Denmark, Blood Donors 2 | DK | Blood donors | 14-19 APR | 5,029 | NR | 1.9 | Lateral flow | NR | 0.082* | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.24.20075291v1.full.pdf | https://bloddonor.dk/coronavirus/ | |||||||||||||||||
44 | UK, Reading, Newport, Liverpool, Bedlington, Health Care Workers | UK | Health care workers | 14-24 APR | 161 | 12 | 7.5 | Lateral flow | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.16.20099408v1.full.pdf | ||||||||||||||||||
45 | Netherlands, General Public (random sampling) | NL | Public | ?-17 APR | 2,096 | NR | 3.6 | NR | NR | NR | Gvt. institution | https://www.rivm.nl/en/novel-coronavirus-covid-19/children-and-covid-19 | ||||||||||||||||||
46 | Brazil, Rio de Janeiro, Blood Donors 1 | BR | Blood donors | 14-18 APR | 1,549 | NR | 3.0 | Lateral flow | NR | NR | Pre-print | https://preprints.scielo.org/index.php/scielo/preprint/view/404/497 | ||||||||||||||||||
47 | Netherlands, Blood Donors (1) | NL | Blood donors | 01-15 APR | 7,361 | 200 | 2.7 | ELISA | NR | NR | Pre-print | https://www.researchsquare.com/article/rs-25862/v1 | ||||||||||||||||||
48 | USA, Georgia, Atlanta, General public, non-random sample | US | Public | ? APR | 127 | 9 | 7.1 | NR | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.01.20087478v1.full.pdf | ||||||||||||||||||
49 | China, Wuhan, Hospital visitors | CN | Out-hospital visitors | ? APR | ~5,000 | NR | 2.0-3.0 | NR | NR | NR | Media | https://www.wsj.com/articles/wuhan-starts-testing-to-determine-level-of-immunity-from-coronavirus-11587039175 | ||||||||||||||||||
50 | China, Wuhan, Hospital Health Care Workers | CN | Health care workers | ? APR | 3,600 | NR | 2.4 | NR | N/A | N/A | Media | https://www.wsj.com/articles/wuhan-starts-testing-to-determine-level-of-immunity-from-coronavirus-11587039175 | ||||||||||||||||||
51 | Germany, Frankfurt, employees | DE | Employees | ? APR | 1,000 | 5 | 0.5 | ELISA and neutralization | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.20.20107730v1.full.pdf | ||||||||||||||||||
52 | Slovenia, General public | SI | Public | 10 Apr | 1,318 | 41 | 3.1 | NR | NR | NR | Gvt. institution | https://www.gov.si/novice/2020-05-06-izjava-glede-aktualnega-stanja-v-zvezi-z-epidemijo-bolezni-covid-19/ | ||||||||||||||||||
53 | Sweden, Stockholm, General Public (adults) | SE | Public | week around 11 APR | 446 | NR | 10.0 | NR | NR | NR | Healthcare institution | https://www.kth.se/aktuellt/nyheter/10-procent-av-stockholmarna-smittade-1.980727 | ||||||||||||||||||
54 | UK, London, Blood donors | UK | Blood donors | 06-19 APR | ~1,000 | NR | 12.3 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
55 | USA, Boston, General Public | US | Public | 13-15 APR | 200 | 64 | 32.0 | NR | NR | NR | Media | https://www.bostonglobe.com/2020/04/17/business/nearly-third-200-blood-samples-taken-chelsea-show-exposure-coronavirus/ | ||||||||||||||||||
56 | Finland, General public 1 | FI | Public | 13-19 APR | 362 | 9 | 2.5 | FMIA | NR | NR | Gvt. institution | https://www.thl.fi/roko/cov-vaestoserologia/sero_report_weekly.html | ||||||||||||||||||
57 | Belgium, Blood donors | BE | Blood donors | 14-16 APR | 900 | NR | 4.8 | NR | NR | NR | Gvt. institution | https://covid-19.sciensano.be/sites/default/files/Covid19/COVID-19_Weekly%20report_20200529%20-%20NL_0.pdf | ||||||||||||||||||
58 | UK, North East Region, Blood donors | UK | Blood donors | 14-19 APR | ~1,000 | NR | 4.2 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
59 | UK, North West Region, Blood donors | UK | Blood donors | 14-19 APR | ~1,000 | NR | 6.4 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
60 | France, Paris, Children | FR | Children | 14 APR to 12 MAY | 605 | 65 | 10.7 | Lateral flow | NR | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.06.12.20129221v1.full.pdf | ||||||||||||||||||
61 | Denmark, Hospital Health Care Workers | DK | Health care workers | 15-17 APR | ~20,000 | NR | 4.1 | Lateral flow | N/A | N/A | Gvt. institution | https://www.regionh.dk/presse-og-nyt/pressemeddelelser-og-nyheder/Sider/Region-Hovedstaden-4,1-procent-af-de-sundhedsfaglige-har-v%C3%A6ret-smittet-med-COVID-19.aspx | ||||||||||||||||||
62 | Brazil, Rio de Janeiro, Blood Donors 2 | BR | Blood donors | 19-23 APR | 623 | NR | 4.3 | Lateral flow | NR | NR | Pre-print | https://preprints.scielo.org/index.php/scielo/preprint/view/404/497 | ||||||||||||||||||
63 | USA, Idaho, Boise, General public | US | Public | 20-24 APR | 4,856 | 87 | 1.8 | CLIA | NR | NR | Peer reviewed | https://jcm.asm.org/content/early/2020/05/07/JCM.00941-20 | ||||||||||||||||||
64 | Sweden, Stockholm, Retirement home | SE | Public | ? APR | ~2,000 | NR | ~30.0 | NR | N/A | N/A | Media | https://www.svt.se/nyheter/inrikes/har-testar-man-om-vardpersonalen-ar-immun?cmpid=del:tw:20200420:har-testar-man-om-vardpersonalen-ar-immun:nyh:lp | ||||||||||||||||||
65 | Finland, General public 2 | FI | Public | 20-27 APR | 674 | 17 | 2.5 | FMIA | NR | NR | Gvt. institution | https://www.thl.fi/roko/cov-vaestoserologia/sero_report_weekly.html | ||||||||||||||||||
66 | Sweden, Stockholm, Hospital Health Care Workers | SE | Health care workers | 20-24 APR | 527 | NR | 20.0 | NR | N/A | N/A | Healthcare institution | https://www.ds.se/jobba-hos-oss/mot-oss/var-femte-medarbetare-antikroppar/ | ||||||||||||||||||
67 | Switzerland, Geneva, Health Panel | CH | Public | 21-26 APR | 577 | 61 | 10.6 | ELISA | x10 | NR | Peer reviewed | https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2931304-2 | ||||||||||||||||||
68 | Japan, Kyoto, Health care workers | JP | Health care workers | 10-24 APR | 92 | 5 | 5.4 | ELISA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.12.20098962v1.full.pdf | ||||||||||||||||||
69 | USA, Florida, Miami-Dade County, General Public | US | Public | 10-24 APR | 1,800 | NR | 6.0 | NR | NR | NR | Gvt. institution | https://www.miamidade.gov/releases/2020-04-24-sample-testing-results.asp | ||||||||||||||||||
70 | Iran, Guilan province, General Public | IR | Public | ? APR | 551 | 117 | 22.0 | Lateral flow | NR | 0.08-0.12 | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.26.20079244v1.full.pdf | ||||||||||||||||||
71 | Italy, Padova, Hospital Health Care Workers | IT | Health care workers | ? APR | 133 | 6 | 4.5 | Lateral flow | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.27.20073858v1 | ||||||||||||||||||
72 | Denmark, Blood donors 3 | DK | Blood donors | 20-26 APR | 5,689 | NR | 1.6 | Lateral flow | NR | NR | Healthcare institution | https://bloddonor.dk/coronavirus/ | ||||||||||||||||||
73 | UK, Midlands, Blood donors | UK | Blood donors | 20 APR to 26 APR | ~1,000 | NR | ~8.0 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
74 | UK, South West Region, Blood donors | UK | Blood donors | 20 APR to 26 APR | ~1,000 | NR | ~4.9 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
75 | Spain, Madrid, Health care workers | ES | Health care workers | 14-27 APR | 2,590 | 818 | 31.6 | ELISA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.29.20116731v1.full.pdf | ||||||||||||||||||
76 | Croatia, Split & Knin, employees | HR | Employees | 23-28 APR | 1,494 | 19 | 1.3 | Lateral flow | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.11.20095158v1.full.pdf | ||||||||||||||||||
77 | Brazil, Rio de Janeiro, Blood Donors 3 | BR | Blood donors | 24-27 APR | 669 | NR | 6.0 | Lateral flow | NR | NR | Pre-print | https://preprints.scielo.org/index.php/scielo/preprint/view/404/497 | ||||||||||||||||||
78 | USA, New York, First responders (NYPD) | US | First responders | 27-28 APR | 1,000 | NR | 10.5 | NR | N/A | N/A | Gvt. institution | https://www.governor.ny.gov/news/amid-ongoing-covid-19-pandemic-governor-cuomo-announces-35-counties-approved-resume-elective | ||||||||||||||||||
79 | USA, New York, First responders (FDNY/EMT) | US | First responders | 27-28 APR | 1,000 | NR | 17.1 | NR | N/A | N/A | Gvt. institution | https://www.governor.ny.gov/news/amid-ongoing-covid-19-pandemic-governor-cuomo-announces-35-counties-approved-resume-elective | ||||||||||||||||||
80 | Belgium, residual sera from private labs | BE | Publice | 20-26 APR | 3,397 | 193 | 5.7 | ELISA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.06.08.20125179v1.full.pdf | ||||||||||||||||||
81 | Spain, Barcelona, Guinardó, General Public | ES | Public | 21-27 APR | 311 | 17 | 5.5 | Lateral flow | NR | NR | Healthcare institution | https://www.eapsardenya.cat/2020/05/02/primer-estudi-que-revela-la-proteccio-de-la-nostra-poblacio-davant-del-coronavirus/ | ||||||||||||||||||
82 | Japan, Tokyo, Public and health care workers | JP | Public and Healthcare workers | 21-28 APR | 202 | 12 | 5.9 | Lateral flow | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.04.29.20085449v1.full.pdf | ||||||||||||||||||
83 | Austria, 27 high risk communities | AT | Public | 25 Apr | 269 | NR | 4.7 | NR | NR | NR | Gvt. institution | http://www.statistik.at/web_de/presse/123051.html | ||||||||||||||||||
84 | UK, Birmingham, Healthcare workers | UK | Health care workers | 25 Apr | 516 | 136 | 26.3 | ELISA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.18.20105197v1.full.pdf | ||||||||||||||||||
85 | Brazil, Rio Grande Do Sul, General Public | BR | Public | 25-27 APR | 4,500 | 6 | 0.1 | Lateral flow | x12 | 0.42 | Pre-print | https://www.estado.rs.gov.br/upload/arquivos//pesquisa-ufpel-fase2-20200428.pdf | https://www.medrxiv.org/content/10.1101/2020.05.01.20087205v1.full.pdf | |||||||||||||||||
86 | Belgium, Blood donors | BE | Blood donors | 27-29 APR | 900 | NR | 4.7 | NR | NR | NR | Gvt. institution | https://covid-19.sciensano.be/sites/default/files/Covid19/COVID-19_Weekly%20report_20200529%20-%20NL_0.pdf | ||||||||||||||||||
87 | Norway, Oslo, General public | NO | Public | 27-30 APR | 397 | NR | <2.0 | NR | NR | NR | Gvt. institution | https://www.fhi.no/nyheter/2020/antistoffundersokelse-koronavirus/ | ||||||||||||||||||
88 | Libya, Alzinta, Genral public and health care workers | LY | Public and Healthcare workers | 02 APR to 18 MAY | 219 | 6 | 2.7 | Lateral flow | 3,000 | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.25.20109470v1.full.pdf | ||||||||||||||||||
89 | UK, South East Region, Blood donors | UK | Blood donors | 20 APR to 03 MAY | ~1,000 | NR | ~4.2 | NR | NR | NR | Gvt. institution | https://www.gov.uk/government/publications/national-covid-19-surveillance-reports/sero-surveillance-of-covid-19 | ||||||||||||||||||
90 | USA, New York State, General Public (1) | US | Public | 19-28 APR | 15,101 | 1,887 | 12.5 | MIA | x12 | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.25.20113050v1.full.pdf | ||||||||||||||||||
91 | Italy, Lombardy, Health care workers | IT | Health care workers | 28 APR to 16 MAY | 3,985 | NR | 13.0 | CLIA | N/A | N/A | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.24.20111245v1.full.pdf | ||||||||||||||||||
92 | Italy, Lombardy, General Public (selected sampling of people in quarantine) | IT | Public | 23 APR to May | 7,975 | 4,040 | 50.6 | NR | NR | NR | Healthcare institution | https://www.lombardianotizie.online/coronavirus-33306-test-sierologici/ | ||||||||||||||||||
93 | Italy, Lombardy, Hospital Health Care Workers | IT | Health care workers | 23 APR to May | 25,331 | 3,553 | 14 | NR | N/A | N/A | Healthcare institution | https://www.lombardianotizie.online/coronavirus-33306-test-sierologici/ | ||||||||||||||||||
94 | USA, Indiana | US | Public | 25 APR to 01 May | 4,600 | NR | 1.1 | NR | x11 | 0.58 | University | https://news.iu.edu/stories/2020/05/iupui/releases/13-preliminary-findings-impact-covid-19-indiana-coronavirus.html | ||||||||||||||||||
95 | Finland, General Public 3 | FI | Public | 27 APR to 03 MAY | 426 | 12 | 2.8 | FMIA | NR | NR | Gvt. institution | https://www.thl.fi/roko/cov-vaestoserologia/sero_report_weekly.html | ||||||||||||||||||
96 | Switzerland, Geneva, Health Panel | CH | Public | 27 APR to 03 MAY | 604 | 36 | 6.0 | ELISA | NR | NR | Peer reviewed | https://www.thelancet.com/action/showPdf?pii=S0140-6736%2820%2931304-1 | ||||||||||||||||||
97 | Denmark, Blood donors 4 | DK | Blood donors | 27-APR to 03-May | 5,422 | NR | 2.4 | Lateral flow | NR | NR | Healthcare institution | https://bloddonor.dk/coronavirus/ | ||||||||||||||||||
98 | Czech Republic, General Public | CZ | Public | 23 APR to 01 May | 26,549 | 107 | 0.0-0.6 | NR | NR | NR | Gvt. institution | https://koronavirus.mzcr.cz/infekce-covid-19-prosla-ceskou-populaci-velmi-mirne-podobne-jako-v-okolnich-zemich/ | ||||||||||||||||||
99 | US, North Carolina, General Public | US | Public | APR-MAY | 676 | NR | 2.2 | NR | NR | NR | Healthcare institution | https://www.wakehealth.edu/Coronavirus/COVID-19-Community-Research-Partnership/Updates-and-Data | https://medium.com/@bergerpress/wake-forest-atrium-study-status-update-71492ee09f3b | |||||||||||||||||
100 | Luxembourg, General Public | LU | Public | 15 APR to 05 May | 1,820 | 35 | 1.9 | ELISA | NR | NR | Pre-print | https://www.medrxiv.org/content/10.1101/2020.05.11.20092916v1.full.pdf | https://today.rtl.lu/news/luxembourg/a/1514660.html | |||||||||||||||||