Patients Serum ELISA IgM Blood sera RT-PCR Blood viral load (copies/ml) Tear fluids RT-PCR Duration of symptoms* (days)
Case 1 + + 10.243 - 6
Case 2 + + 672.650 - 4
Case 3 + + 35.443 - 4
Case 4 + + 169.514 - 4
Case 5 + + 107.747 - 10
Case 6 + + 86.110 - 2
Case 7 - + 399.977 - 4
Case 8 - + 146.786 - 10
Case 9 - + 3.160 - 3
Case 10 - + 1.740 - 4
Case 11 + NT   - 4
CCHF = Crimean-Congo hemorrhagic fever RT-PCR = Reverse transcriptase polymerase chain reaction NT = None-tested + = Positive - = Negative * = Time between the beginning of symptoms and collection of tear fluids
Table 1: Results of ELISA, CCHF real-time RT-PCR tests and viral loads in blood and tear fluids.