英语释义
1. the act of administering a vaccine again some period after an initial vaccination especially to strengthen or renew the immune response
The first vaccination is given after a cat is 16 weeks old. Thereafter, annual revaccination with a single dose is necessary for effective immunity.
— Cat Fancy Revaccination produces protective antibody titers in only 18 to 25 percent of individuals who failed to respond to the initial immunization with hepatitis B vaccine.
— Scientific American Medicine Bulletin
2. vaccination administered some period after an initial vaccination especially to strengthen or renew immunity