감염된 개체들을 살처분함으로써 감염 기간은 최대 3주일에서 불과 며칠로 줄어들어 유효 재생산 지수를 극적으로 끌어내렸다.
By slaughtering infected individuals the infectious period was lowered from up to three weeks to a matter of days, dramatically reducing the effective reproduction number.