n. Vaccination of a person previously vaccinated.

What does revaccination mean?

: 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.

What does RAR stand for?

RAR is a proprietary archive file format that supports data compression, error recovery and file spanning. It was developed in 1993 by Russian software engineer Eugene Roshal and the software is licensed by win. rar GmbH. The name RAR stands for Roshal Archive.