Table 1.
IgM and IgG seroprevalence per month.
| N | IgM | IgG | |
| March | 66 | 15 (22.7) | 6 (9.1) |
| April | 52 | 1 (1.9) | 9 (17.3) |
| May | 201 | 1 (0.5) | 16 (8.0) |
| June | 22 | 2 (9.1) | 4 (18.2) |
| Total | 341 | 19 (5.6) | 35 (10.3) |
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