Greece unveils guidelines on booster shots after infection with Covid-19

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 single-dose Johnson & Johnson vaccine: A booster six months after vaccination with single dose of Pfizer or J&J vaccines or half-dose of Moderna.
2. Infection prior to vaccination with Pfizer, Moderna or AstraZeneca vaccines: A booster six months after second shot, with single dose of Pfizer or J&J vaccines or half-dose of Moderna.
3. Infection after just one dose of Pfizer, Moderna or AstraZeneca vaccines: A second shot three to six months after diagnosis with a dose of Pfizer or Moderna and a booster after six months with a single dose of Pfizer or J&J vaccines or half-dose of Moderna.
4. Infection after full vaccination with J&J vaccine: A booster six months after falling ill with a single dose of Pfizer or J&J vaccines or half-dose of Moderna.
5. Infection after full vaccination with Pfizer, Moderna or AstraZeneca vaccines: A booster six months after falling ill with a single dose of Pfizer or J&J vaccines or half-dose of Moderna.