Table 1 Summary of characteristics of included studies, total (154)
From: Immunological effects of convalescent plasma therapy for coronavirus: a scoping review
| Â | Number of studies | Continent/Countries (number of studies) |
|---|---|---|
Publication year | Â | Â |
 Before 2019 | 4 | North America/USA (41), Canada (1) |
 2019–2020 | 81 | South America/Mexico (2), Argentina (3), Colombia (1), |
 2020–2021 | 69 | Cuba (1), Chile (1), Brazil (3) |
Publication type | Â | Europe/France (4), Italy (5), Poland (6), Greece (1), UK (2) |
 Case/case series | 65 | Austria (1), Germany (3), Netherlands (1), Spain (2), Russia (1) |
 Other observational studies | 47 | Romania (1), Croatia (1), Belgium (1) |
 Clinical trials | 27 | Asia/China (24), India (11), Turkey (9), Iran (6), Korea (4) |
 Letter/Communications | 15 | Hong Kong (1), Taiwan (1), Iraq (2), Qatar (1), Kuwait (1), |
Type of coronavirus studied | Â | Bahrain (1), Nepal (1), Oman (2), Israel (3), United Arab |
 SARS-Cov2 | 150 | Emirates (2), Saudi Arabia (1), Lahore (1) |
 SARS | 2 | Africa/Egypt (1) |
 MERS | 2 |  |