| Varicella-zoster virus vaccine is a live attenuated virus that becomes latent after vaccination. |
| Containment may not be possible without vaccination, prophylaxis or effective treatment. |
| The live vaccinia virus that is used for the smallpox vaccination is admittedly the most dangerous vaccine in use. |
| He showed that cowpox vaccination prevented smallpox in a child deliberately exposed to the disease. |
| In any case, public clamor for inoculations might require a liberal vaccination program after an outbreak. |
| At the al-Dawrah animal vaccination laboratory, journalists were again given a guided tour after the inspectors had left. |
