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List of participating countries in the long COVID study.
| Africa | America | Asia | Europe |
|---|---|---|---|
| Algeria | Brazil | Bangladesh | UK |
| Egypt | Ecuador | Syria | Lithuania |
| South Africa | Peru | India | Kosovo |
| Tunisia | United States | Iran | Turkey |
| Nigeria | Iraq | ||
| Morocco | Bahrain | ||
| Japan | |||
| Palestine | |||
| Pakistan | |||
| Yemen | |||
| Afghanistan | |||
| UAE | |||
| Jordan |
