2111722 I'm immune. CK 1 2236728 Tom is immune. CK 1 2111274 They're immune. CK 1 2245887 I have immunity. CK 1 259596 I am immune to smallpox. CK 241685 Everybody is immune to smallpox nowadays. CK 30578 If you have a certificate of immunization, please bring it when you come. CK