Table 4. Classification of 22 death cases from the vaccinated animals by age

Causes Total No. of cases (%)
1–4 d 5–8 d 1 m 5 m 7 m 8 m 2 yr 3yr 4 yr
Unknown 11 3 (27.3) 4 (36.4) 3 (27.3) 1 (9.1) - - - - -
Identified 11 - 4 (36.4) 1 (9.1) - 1 (9.1) 1 (9.1) 2 (18.2) 1 (9.1) 1 (9.1)
d, days; m, months; yr, years.