Volume 20, Number 4—April 2014
Research
Antibodies against MERS Coronavirus in Dromedary Camels, United Arab Emirates, 2003 and 2013
Table 2
Collection | Year | No. camels/ sex | Camel age | Feature | No. samples | Serum dilution, no. (%) positive |
||||
---|---|---|---|---|---|---|---|---|---|---|
rIFA, MERS-S† |
Neutralization test, MERS-CoV |
|||||||||
80 | <640 | 640–1,280 | >1,280 | |||||||
1A | 2013 | 2/M, F | A, J | Paired serum and fecal samples | 177 | 175 (98.9) | 24 (13.6) | 74 (41.8) | 79 (44.6) | |
1B | 2013 | 2/M, F | A, J | Animals raised at CVRL | 5 | 0 | 5 (100.0) | 0 | 0 | |
2 | 2013 | 2/M, F | 2–8 y | Racing camels | 100 | 89 (89.0) | 55 (55.0) | 3 (3.0) | 42 (42.0) | |
3 | 2013 | 2/M, F | A | Livestock camels‡ | 218 | 217 (99.5) | 23 (10.6) | 13 (6.0) | 182 (83.5) | |
4 | 2003 | 1/F | A | Systematically sampled | 151 | 151 (100.0) | 35 (23.2) | 30 (19.9) | 86 (57.0) | |
Total | 651 | 632 (97.1) | 142 (21.8) | 120 (18.4) | 389 (59.8) |
*MERS-CoV, Middle East respiratory syndrome coronavirus; rIFA, recombinant immunofluorescence assay with MERS-CoV spike protein; MERS-S, spike protein from MERS-CoV; A, adult; J, juvenile; CVRL, Dubai Central Veterinary Research Laboratory.
†Fluorescence signal intensity was rated as negative, +, ++, +++, and ++++.
‡Originally purchased from Saudi Arabia, Sudan, Pakistan, and Oman.
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Page updated: March 12, 2014
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