1. to vaccinate again, especially to renew or boost immunity
Usage: medical

Examples

• The doctor recommended that travelers revaccinate against hepatitis before their trip.
• Healthcare workers must revaccinate annually against influenza.
• The clinic will revaccinate all patients whose immunity has waned.
• Parents were advised to revaccinate their children after the vaccine shortage ended.
• The military requires soldiers to revaccinate against certain diseases every few years.
• Due to the outbreak, officials decided to revaccinate the entire population.