Table. Clinical and serologic findings for 48 patients 2–6 y after infection with Middle East respiratory syndrome coronavirus, Saudi Arabia*.
| Patient ID | Age, y/sex | Time, y between serologic analysis and infection | Diagnosis | Disease or condition | Illness grade | ELISA result | ELISA titer | NT titer | NT result |
|---|---|---|---|---|---|---|---|---|---|
| 46 | 34/F | 6 | AS | Healthy | Mild | – | 0.0 | <20 | – |
| 47 | 41/M | 6 | AS | Healthy | Mild | – | 0.02 | 40 | + |
| 48 | 41/F | 6 | PN | Healthy | Moderate | – | 0.76 | 320 | + |
| 45 | 42/M | 6 | PN | Healthy | Moderate | – | 0.75 | 80 | + |
| 43 | 56/M | 6 | SPN | Healthy | Severe | – | 3.0 | 80 | + |
| 44 | 38/F | 6 | SPN | Pregnant, thyroid disease | Severe | + | 2.4 | 80 | + |
| 1 | 52/F | 5 | URTI | HPT, thyroid disease | Mild | – | 0.1 | <20 | – |
| 2 | 43/F | 5 | URTI | Healthy | Mild | – | 0.3 | 42 | + |
| 15 | 35/M | 5 | PN | DM, hyperlipidemia | Moderate | B | 0.8 | 30 | + |
| 33 | 39/F | 4 | URTI | Healthy | Mild | – | 0.7 | 28 | – |
| 7 | 49/M | 4 | URTI | DM, HPT, BA, IHD, ESRD | Mild | + | 1.5 | 104 | + |
| 34 | 42/F | 4 | URTI | HPT | Mild | + | 1.9 | 144 | + |
| 40 | 28/F | 4 | URTI | Healthy | Mild | NP | NP | 40 | + |
| 41 | 32/F | 4 | AS | Healthy | Mild | NP | NP | 41 | + |
| 31 | 33/M | 4 | URTI | Healthy | Mild | – | 0.5 | 34 | + |
| 32 | 45/F | 4 | URTI | Healthy | Mild | B | 0.9 | 44 | + |
| 3 | 45/M | 4 | PN | Smoker | Moderate | + | 1.1 | 48 | + |
| 5 | 61/M | 4 | PN | DM, HPT, IHD | Moderate | + | 2.9 | 160 | + |
| 25 | 28/M | 4 | PN | Healthy | Moderate | + | 2.5 | 315 | + |
| 42 | 47/M | 4 | PN | Healthy | Moderate | NP | NP | 351 | + |
| 45 | 42/M | 4 | PN | Healthy | Moderate | NP | NP | 162 | + |
| 29 | 58/M | 3 | URTI | Healthy | Mild | – | 0.1 | 45 | + |
| 23 | 28/M | 3 | URTI | Healthy | Mild | – | 0.1 | 42 | + |
| 8 | 47/M | 3 | URTI | HPT, hyperlipidemia | Mild | + | 2.5 | 320 | + |
| 18 | 55/M | 3 | URTI | DM | Mild | + | 3.4 | 648 | + |
| 20 | 34/M | 3 | URTI | Healthy | Mild | – | 0.6 | 81 | + |
| 26 | 39/M | 3 | URTI | Healthy | Mild | – | 0.6 | 75 | + |
| 35 | 63/M | 3 | URTI | DM | Mild | + | 2.5 | 501 | + |
| 37 | 61/M | 3 | URTI | DM, HPT | Mild | + | 1.2 | 81 | + |
| 14 | 32/F | 3 | AS | Healthy | Mild | – | 0.1 | 45 | + |
| 39 | 34/M | 3 | URTI | Healthy | Mild | + | 1.2 | 31 | + |
| 9 | 36/F | 3 | URTI | Healthy | Mild | – | 0.2 | 32 | + |
| 6 | 74M | 3 | URTI | DM, lipid | Mild | – | 0.1 | <20 | – |
| 10 | 46/F | 3 | AS | Healthy | Mild | – | 0.1 | 20 | – |
| 11 | 47/F | 3 | AS | Grave’s disease | Mild | – | 0.1 | 20 | – |
| 12 | 33/F | 3 | AS | Healthy | Mild | – | 0.3 | 20 | – |
| 17 | 54/F | 3 | URTI | HPT, thyroid disease | Mild | + | 4.3 | <20 | – |
| 27 | 29/M | 3 | URTI | Healthy | Mild | – | 0.1 | <20 | – |
| 30 | 41/F | 3 | URTI | Healthy | Mild | – | 0.2 | <20 | – |
| 4 | 41/M | 3 | PN | Stroke | Moderate | + | 3.4 | 446 | + |
| 19 | 50/M | 3 | PN | Healthy | Moderate | + | 3.7 | 315 | + |
| 24 | 54/M | 3 | PN | DM, HPT, myocarditis | Moderate | + | 2.4 | 398 | + |
| 22 | 57/M | 3 | PN | Asthma | Moderate | + | 1.9 | 41 | + |
| 16 | 62F | 3 | SPN | Asthma, hyperlipidemia | Severe | + | 2.6 | 416 | + |
| 21 | 34/F | 3 | SPN | Healthy | Severe | + | 2.4 | 375 | + |
| 28 | 38/M | 3 | SPN | Healthy | Severe | + | 1.8 | 117 | + |
| 13 | 59/M | 3 | SPN | Healthy | Severe | – | 0.1 | 20 | – |
| 36 | 64/M | 2 | URTI | Healthy | Mild | + | 2.5 | 160 | + |
| 38 | 34/M | 2 | URTI | Healthy | Mild | – | 0.3 | 27 | + |
*AS, asymptomatic; B, borderline; BA; bronchial asthma; DM, diabetes mellitus; ESRD, end-stage renal disease; HPT, hypertension; IHD, ischemic heart disease; NP, not performed; NT, neutralization test; PN, pneumonia; SPN, severe pneumonia (patients were in intensive care unit and required intubation and ventilation); URTI, upper respiratory tract infection; –, negative; +, positive.