Implementation of population-based age-stratified seroepidemiological Unity Studies in the Eastern Mediterranean Region with WHO support
| Country | Date | Type of study | Sample size | Outcome/status |
| Afghanistan (two rounds) | June 2020 February 2021 | Household Household | 9546 22 000 | 25% Preparation |
| Jordan (three rounds) | July 2020 October 2020 December 2020 | Household Household Household | 4467 | 0.3% 7.4% 39% |
| Pakistan (two rounds) | July 2020 October 2020 | Convenient open market Household | 5035 | 11.1% 7.1% |
| Palestine | January 2021 | Household | 6151 | 39.7% |
| Somalia | August 2020 | Convenient health facilities | 3600 | Ongoing in two regions |
| Syria | February 2021 | Convenient health facilities | 10 000 | Implementation |
| Yemen (Aden) | January 2021 | Household | 2001 | 27.4% (RDT qualified ELISA) |
| Egypt | February 2021 | Household | 6000 | Data collction completed. Awaiting report |
| Tunisia | March 2021 | Household | 10 000 | Data collection completed May 2021 (31%) |
| Lebanon | March 2021 | Random phone calls | ~3700 | 32% |
| Libya | March 2021 | Preparation | ||
| Sudan | April 2021 | Household | 15 000 | Proposal review |
| United Arab Emirates | August | Household | 8831 | Completed |