Table 1.
Brief summary of some SARS-CoV-2 reinfection cases.
| Study | Country | Duration between Infections | Immunological Comorbidities | Severity | |
|---|---|---|---|---|---|
| First Episode of Infection | Second Episode of Infection | ||||
| [9] | Hong Kong | 142 days | No | Mild | Asymptomatic |
| [10] | Qatar | 46 days | No | Mild/Asymptomatic | Mild/Asymptomatic |
| [10] | Qatar | 71 days | No | Mild/Asymptomatic | Mild/Asymptomatic |
| [10] | Qatar | 88 days | No | Mild/Asymptomatic | Mild/Asymptomatic |
| [10] | Qatar | 55 days | No | Mild/Asymptomatic | Mild/Asymptomatic |
| [12] | Belgium | 3 months | No | Mild | Mild |
| [13] | USA | 42 days | No | Mild | Severe |
| [14] | Netherlands | 59 days | Yes (Waldenström macroglobulinemia) |
Severe | Severe (death) |
| [15] | Brazil | 52 days | No | Mild–Severe | Mild |
| [16] | Brazil | 116 days | No | Mild | Mild |
| [17] | Brazil | 147 days | No | Mild | Severe |