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| Author | Country | Age group (year) | Sample size | Number of females | Number of males | Prevalence of COVID-19 in total (%) | Prevalence of COVID-19 in females (%) | Prevalence of COVID-19 in males (%) | Date blood donors |
|
| Alharbi et al. [24] | Saudi Arabia | 26–32 | 5385 | — | — | 8.8 | — | — | Jun–Nov 2020 |
| Lewin et al. [25] | Canada | >18 | 7691 | 3630 | 4061 | 2.2 | — | — | Between May 25 and July 9, 2020 |
| Valenti et al. [26] | Italy | 40.7 | 789 | 276 | 513 | 2.7 | — | — | February 24th to April 8th 2020 |
| Erikstrup et al. [18] | Denmark | 17–69 | 20640 | 10224 | 10004 | 9 | — | — | From 6 April to 3 May 2020 |
| Pedersen et al. [27] | Denmark | >70 | 1201 | 517 | 684 | 1.4 | — | — | Between May 16 and May 25, 2020 |
| Pedersen et al. [27] | Denmark | 17–69 | 1110 | — | — | 2.5 | — | — | Between May 16 and May 25, 2020 |
| Stone et al. [28] | USA | >16 | 9132 | 4337 | 4795 | 15.7 | 16.8 | 14.5 | March–August 2020 |
| Stone et al. [28] | USA | >16 | 7986 | 4057 | 3929 | 1.5 | 1.9 | 1.1 | March–August 2020 |
| Stone et al. [28] | USA | >16 | 8019 | 4467 | 3552 | 1.9 | 2 | 1.7 | March–August 2020 |
| Stone et al. [28] | USA | >16 | 6999 | 3765 | 3234 | 4.5 | 5.6 | 3.4 | March–August 2020 |
| Stone et al. [28] | USA | >16 | 11000 | 5951 | 5049 | 4.2 | 4.2 | 4.2 | March–August 2020 |
| Stone et al. [28] | USA | >16 | 7000 | 4046 | 2954 | 1.5 | 9 | 2.1 | March–August 2020 |
| Amorim Filho et al. [29] | Brazil | 18–69 | 2857 | 1407 | 1450 | 4 | 3.8 | 4.2 | From April 14 to 27, 2020 |
| Cassaniti et al. [30] | Italy | | 1922 | — | — | 19.7 | — | — | From 18 March to 24 June |
| Gallian et al. [31] | France | 41 | 998 | — | — | 2.7 | — | — | Last week of March or the first week of April 2020 |
| Pandey et al. [32] | India | 25–36 | 1991 | 52 | 1139 | 9.5 | 3.8 | 9.7 | From April to July 2020 |
| Mahallawi et al. [33] | Saudi Arabia | 18–64 | 1212 | — | — | 19.3 | — | — | Between mid-May and mid-July 2020 |
| Ng et al. [22] | USA | | 1000 | — | — | 0.1 | — | — | Mar-20 |
| Sykes et al. [34] | South Africa | 15–69 | 1457 | — | — | 2.8 | — | — | Jan-21 |
| Sykes et al. [34] | South Africa | 15–69 | 463 | — | — | 2.2 | — | — | Jan-21 |
| Sykes et al. [34] | South Africa | 15–69 | 831 | — | — | 2.4 | — | — | Jan-21 |
| Sykes et al. [34] | South Africa | 15–69 | 2107 | — | — | 2.4 | — | — | Jan-21 |
| Slot et al. [35] | Netherlands | 18–72 | 7361 | — | — | 2.7 | 2.73 | 2.7 | 1–15April 2020 |
| Adetifa et al. [36] | Kenya | 15–64 | 9922 | 1903 | 8019 | 9.1 | 8.7 | 9.5 | In three periods (30 Apr–19 Jun, 20 Jun–19 Aug, 20 Aug–30 sept) |
| Runkel et al. [37] | Germany | 18–71 | 3880 | 1756 | 2124 | 0.9 | 1.1 | 0.75 | Between March and June 2020 |
| Saeed et al. [38] | Canada | >17 | 74642 | 35547 | 39095 | 0.74 | 0.72 | 0.76 | Between May 9 and July 21, 2020 |
| Banjar et al. [39] | Saudi Arabia | 17–70 | 837 | 32 | 796 | 1.4 | — | 1.5 | From 20th to 25th May 2020 |
| Sughayer et al. [40] | USA | 18–65 | 292 | 38 | 254 | 27.4 | 26.3 | 24 | Early February 2021 |
| Jaiswal et al. [41] | India | | 534 | | | 0.429 | — | — | Between mid-December 2020 to January 2021 |
| Chaves et al. [42] | Brazil | >16 | 7837 | 3553 | 4284 | 0.056 | — | — | March 1–December 31, 2020 |
| Chunchu et al. [43] | India | 18–29 | 1034 | 7 | 1027 | 0.494 | — | — | September 2020 to March 2021 |
| Antonucci et al. [44] | Italy | >18 | 8183 | 2047 | 6136 | 0.063 | — | — | May 2020 to March 2021 |
| Levring et al. [45] | Denmark | | 105 | 57 | 48 | 0.371 | — | — | April 6 to May 28, 2020 |
| Lewin et al. [46] | Canada | 51 | 7924 | | | 0.105 | — | — | Between January 25, 2021 and March 11, 2021 |
| Kale et al. [47] | India | 18–59 | 1066 | 18 | 1048 | 0.276 | — | — | From September to October 2020 |
| Monteon et al. [23] | Mexico | 33.5 | 479 | | | 0.691 | — | — | August through September 2021 |
| Nesbitt et al. [48] | USA | >15 | 2008 | 944 | 1064 | 0.039 | — | — | From April 27, 2020 – May 11, 2020 |
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