“ If the smallpox virus were released today, the majority of the world’s population would be defenseless, and given the virus ’ 30 percent kill rate, nearly two billion people could die. ” ​ — Foreign Affairs magazine.
” Jika virus cacar dilepaskan pada hari ini, kebanyakan populasi dunia tidak berdaya, dan mengingat virus ini membunuh 30 persen orang yang dijangkitinya, mungkin hampir dua miliar orang akan mati. ” ​ — Majalah Foreign Affairs.