The Greek government on Tuesday posted guidelines for giving booster shots to individuals that have at some point become infected with Covid-19, both before or after vaccination, on the emvolio.gov.gr site used by the vaccination campaign. The instructions outline when and which booster is given in the following cases: 1. Infection prior to vaccination with […] The post Greece unveils guidelines on booster shots after infection with Covid-19 appeared first on Hellenic News of America.