Smallpox

имя существительное [медицина] оспа Например: the contagiousness of typhus and smallpox — заразность сыпного тифа и оспы to contract / develop smallpox — заразиться оспой to vaccinate somebody against / with smallpox — прививать оспу There have been no smallpox epidemics for many years. — Уже много лет не было эпидемий оспы. Smallpox disfigures the face. — Оспа уродует лицо.

Большой англо-русский словарь

Smallpox

noun an acute contagious febrile disease of humans that is caused by a poxvirus (species Variola virus of the genus Orthopoxvirus), is characterized by a skin eruption with pustules, sloughing, and scar formation, and is believed to have been eradicated globally by widespread vaccination — called also variola

Энциклопедический словарь Мерриама-Вебстера