Table 1.
Comparative table showing the results obtained when human sera were tested by different ELISA kits and by micro neutralization test (MN).
| ID Sample | Elisa Euroimmun | MNT titer | ELISA_VM_IgG_S1 | ELISA_VM_IgG_RBD | ELISA_VM_IgM_S1 | ELISA_VM_IgM_RBD | ELISA_VM_IgA_RBD |
|---|---|---|---|---|---|---|---|
| From 1 to 8 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 9 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 10–11 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 12 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 13 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 14 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| 15 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 16 | Negative | 5 | Negative | Negative | Positive | Negative | Negative |
| From 17 to 21 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 22 | Borderline | 5 | Positive | Negative | Negative | Negative | Negative |
| From 23 to 31 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 32 | Negative | 5 | Negative | Positive | Negative | Negative | Negative |
| From 33 to 36 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 37 | Positive | 5 | Negative | Negative | Negative | Positive | Negative |
| 38–39 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 40 | Positive | 5 | Negative | Negative | Negative | Negative | Negative |
| 41 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 42 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| 43 | Positive | 5 | Positive | Positive | Negative | Negative | Negative |
| 44–45 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 46 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| From 47 TO 49 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 50 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 51–52 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 53 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| From 54 to 60 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 61 | Positive | 5 | Negative | Negative | Negative | Negative | Negative |
| 62 | Negative | 5 | Positive | Negative | Negative | Negative | Negative |
| 63–64 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 65 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| 66–67 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 68 | Positive | 5 | Positive | Negative | Negative | Positive | Negative |
| 69 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| From 70 to 72 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 73 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| From74 to 76 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 77 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| 78 | Borderline | 5 | Negative | Negative | Positive | Negative | Negative |
| 79 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| 80 | Positive | 5 | Negative | Negative | Negative | Negative | Negative |
| 81 | Borderline | 5 | Negative | Negative | Negative | Negative | Negative |
| From 82 to 91 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 92 | Positive | 5 | Positive | Negative | Negative | Positive | Negative |
| 93 | Borderline | 5 | Positive | Negative | Positive | Negative | Negative |
| 94–95 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 96 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 97–98 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 99 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| From 100 to 107 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 108 | Negative | 5 | Negative | Negative | Negative | Positive | Positive |
| 109 | Negative | 5 | Negative | Negative | Positive | Negative | Negative |
| 110 | Negative | 5 | Negative | Negative | Positive | Positive | Negative |
| 111 | Negative | 5 | Negative | Negative | Positive | Positive | Negative |
| 112 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 113 | Positive | 5 | Positive | Positive | Positive | Positive | Negative |
| From 114 to 117 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 118 | Negative | 5 | Negative | Negative | Positive | Negative | Negative |
| 119–120 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 121 | Positive | 5 | Positive | Negative | Positive | Negative | Negative |
| From 122 to 127 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 128 | Positive | 5 | Positive | Positive | Negative | Negative | Positive |
| 129 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 130 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 131–132 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 133 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| From 134 to 142 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 143 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| from 144 to 146 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 147 | Negative | 5 | Negative | Negative | Positive | Positive | Negative |
| 148 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 149 | Negative | 5 | Negative | Negative | Negative | Positive | Negative |
| 150 | Positive | 5 | Positive | Positive | Negative | Negative | Negative |
| 151 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 152 | Positive | 5 | Positive | Negative | Negative | Negative | Negative |
| 153 | Negative | 5 | Negative | Negative | Negative | Negative | Negative |
| 154 | Negative | 10 | Negative | Negative | Negative | Positive | Negative |
| 155 | Positive | 1280 | Positive | Positive | Positive | Positive | Positive |
| 156 | Negative | 10 | Negative | Positive | Negative | Negative | Negative |
| 157 | Negative | 10 | Negative | Negative | Positive | Negative | Negative |
| 158 | Positive | 20 | Positive | Positive | Negative | Positive | Positive |
| 159 | Negative | 20 | Negative | Positive | Negative | Positive | Positive |
| 160 | Negative | 20 | Negative | Negative | Negative | Negative | Positive |
| 161 | Negative | 20 | Negative | Negative | Positive | Negative | Negative |
| 162 | Negative | 20 | Negative | Positive | Positive | Positive | Positive |
| 163 | Positive | 40 | Positive | Positive | Positive | Positive | Positive |
| 164 | Negative | 40 | Negative | Positive | Negative | Positive | Negative |
| 165 | Negative | 40 | Negative | Positive | Negative | Positive | Positive |
| 166 | Negative | 80 | Negative | Positive | Negative | Positive | Positive |
| 167 | Borderline | 80 | Negative | Positive | Positive | Positive | Negative |
| 168 | Negative | 80 | Positive | Positive | Negative | Positive | Positive |
| 169 | Negative | 80 | Negative | Positive | Negative | Positive | Positive |
| 170 | Positive | 80 | Positive | Positive | Positive | Positive | Positive |
| 171 | Negative | 160 | Negative | Positive | Negative | Positive | Positive |
| 172 | Positive | 160 | Positive | Positive | Negative | Positive | Positive |
| 173 | Positive | 160 | Positive | Positive | Positive | Positive | Negative |
| 174 | Positive | 320 | Negative | Positive | Positive | Positive | Positive |
| 175–176 | Positive | 640 | Positive | Positive | Positive | Positive | Positive |
| 177 | Positive | 640 | Positive | Positive | Negative | Positive | Positive |
| 178–179 | Positive | 640 | Positive | Positive | Positive | Positive | Positive |
| 180–181 | Positive | 1280 | Positive | Positive | Positive | Positive | Positive |