| eradicate smallpox | 1.25 | They eradicated smallpox. | ||
| spread smallpox | 0.39 | People can spread smallpox only while the rash is present. | ||
| eliminate smallpox | 0.33 | Smallpox has been eliminated. | ||
| use smallpox | 0.33 | Instead, doses will be kept in government stockpiles, for use if terrorists use smallpox as a weapon. | ||
| wipe_out smallpox | 0.33 | Europe wiped out smallpox early on. | ||
| catch smallpox | 0.26 | Gray caught smallpox from his nephew. | ||
| have smallpox | 0.26 | None of the patients had smallpox. |