Characteristics of the cases ofHSE
| Case | Sex | Age (y) | Survival | Genotype |
| Necropsy confirmed cases | ||||
| 1 | F | 51 | 3 weeks | ε3/ε3 |
| 2 | M | 18 | 5 days | ε2/ε3 |
| 3 | F | 19 | 10 days | ε2/ε3 |
| 4 | M | 43 | 5 days | ε3/ε3 |
| 5 | M | 40 | 15 months | ε3/ε3 |
| 6 | M | 47 | 5 days | ε3/ε4 |
| 7 | M | 4 | 1 y | ε2/ε2 |
| 8 | M | 42 | 2 weeks | ε3/ε3 |
| 9 | M | 11 | 2 weeks | ε2/ε3 |
| 10 | F | 64 | 2 weeks | ε2/ε3 |
| 11 | F | 51 | 2 weeks | ε3/ε3 |
| 12 | M | 50 | 3.5 weeks | ε2/ε3 |
| 13 | F | 81 | 10 days | ε2/ε3 |
| 14 | M | 38 | 11 y | ε3/ε3 |
| CSF cases | ||||
| A | M | 35 | NA | ε3/ε3 |
| B | M | 38 | NA | ε3/ε4 |
| C | M | 48 | NA | ε2/ε3 |
| D | M | 49 | NA | ε2/ε3 |
| E | M | 1.5 | NA | ε2/ε4 |
| F | F | 63 | NA | ε3/ε3 |
| G | F | 61 | NA | ε2/ε3 |
| ApoE allele | Allele number | Allele frequency (%) | ||
| ε2 | 11 | 26 | ||
| ε3 | 28 | 67 | ||
| ε4 | 3 | 7 | ||
| Total | 42 | |||
NA=Not available.