Table 3.
Characteristics of sample sizes by study type and animal category
| Animal category | No. of studies that reported positive antigen or antibody findings (observational)—or seroconversion (experimental) | N studies | Sample size | Appendix S1: Technical appendix reference[Link] | |
|---|---|---|---|---|---|
| Median | Range | ||||
| Observational | |||||
| Dromedaries | 67 | 70 | 82 | 3–7,803 | 3, 6, 9–15, 17–22, 24–27, 29, 31, 32, 35–37, 39, 41–46, 48, 51–53, 60, 61, 63, 65–70, 72, 73 |
| Bats | 1 (RNA segment isolated from faeces) | 15 | 194 | 32–5,030 | 1, 2, 4, 5, 7, 8, 16, 23, 33, 34, 47, 56, 58, 59, 70 |
| Ruminants | 1 (One sheep was seropositive) | 10 | 89 | 3–276 | 3, 6, 9, 10, 12, 14, 52, 65, 66, 70 |
| Cattle N = 6 | |||||
| Sheep N = 9 | |||||
| Goats N = 5 | |||||
| Other camelids | 1 (Alpacas housed near dromedaries in Saudi Arabia) | 6 | 65 | 6–200 | 6, 32, 38, 40, 51, 55 |
| Bactrian n = 5 | |||||
| Alpacas n = 2 | |||||
| Llamas, Guanacos n = 1 | |||||
| Equids | 0 | 3 | 19 | 3–889 | 12, 30, 70 |
| Horses n = 3 | |||||
| Donkeys, mules = 2 | |||||
| Other domestic | 0 | 1 | 240 | n/a | 9 |
| Chickens n = 1 | |||||
| Other wildlife | 0 | 1 | 50 | n/a | 71 |
| Hamadryas baboons | |||||
| Experimental | |||||
| Other camelids | 3 | 3 | 8 | 3–9 | 54, 55, 64 |
| Alpacas n = 2 | |||||
| Llamas n = 1 | |||||
| Other domestic | 3 | 3 | 15 | 14–24 | 62, 64, 74 |
| Mice n = 2 | |||||
| Pigs n = 1 | |||||
| Ruminants | 1 (seroconversion of inoculated kids but no transmission to their susceptible dams) | 2 | 12 | 10–14 | 57, 64 |
| Sheep n = 2 | |||||
| Goats n = 1 | |||||
| Dromedaries | 2 | 2 | 6 | 3–8 | 28, 49 |
| Equids | 0 | 2 | 6 | 4–8 | 57, 64 |
| Horses n = 2 | |||||
| Bats | 1 | 1 | 12 | n/a | 50 |
Each OIE MERS‐CoV animal event entered in EMPRES‐i was treated as a separate record in the review, but were included under one bibliographic entry, per FAO citation protocol.
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