Volume 22, Number 6—June 2016
Dispatch
Antibody Response and Disease Severity in Healthcare Worker MERS Survivors
Table
Patient no. |
Age, y/sex |
Clinical presentation |
Test results |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PCR, Ct |
Serology at 3 mo |
Serology at 10 mo |
Serology at 18 mo |
||||||||||
NPS |
BAL |
ELlSA† |
IFA‡ |
ELISA† |
IFA‡ |
ELISA† |
IFA‡ |
||||||
1 | 49/M | Severe pneumonia | 28 | 26 | + (3.17) | + | + (2.99) | + | + (3.3) | + | |||
2 | 33/F | Severe pneumonia | 31 | 26 | + (2.7) | + | + (2.09) | + | + (2.9) | + | |||
3 | 54/F | Pneumonia | 34 | ND | + (2.91) | + | + (1.9) | + | ND | ND | |||
4 | 40/M | Pneumonia | 32 | ND | + (1.29) | + | – (0.65) | – | ND | ND | |||
5 | 37/M | Pneumonia | 35 | ND | + (3.2) | + | + (1.2) | – | ND | ND | |||
6 | 36/M | URTI | 32 | ND | – (0.07) | – | – (0.07) | – | ND | ND | |||
7 | 27/F | Asymptomatic | 33 | ND | – (0.046) | – | – (0.04) | – | ND | ND | |||
8 | 28/F | Asymptomatic | 32 | ND | – (0.12) | – | – (0.06) | – | ND | ND | |||
9 | 35/M | Asymptomatic | 33 | ND | – (0.07) | – | – (0.04) | – | ND | ND | |||
*+, positive; –, negative; BAL, broncholaveolar lavage; Ct, cycle threshold; IFA, indirect-immunofluorescence assay; MERS-CoV, Middle East respiratory syndrome coronavirus; ND, not done; NPS, nasopharyngeal swab; URTI, upper respiratory tract infection.
†ELISA for MERS-CoV S gene antibody; positive defined as a value >1.1, negative as <0.8, and borderline as between 0.8 and 1.1.
‡IFA for MERS-CoV IgG; endpoint titers not done.
Page created: May 16, 2016
Page updated: May 16, 2016
Page reviewed: May 16, 2016
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