In Hungary, currently the six COVID-19 vaccines are available: Pfizer-BioNTech, Moderna, AstraZeneca, Sputnik V, Johnson&Johnson’s Janssen, Sinopharm.
Booster Vaccines: In Hungary, the 3rd and the 4th booster vaccinations are available for the citizens. You can register for the 3rd or 4th vaccine via EESZT (National eHealth Infrastructure) website for free of charge, or you can get vaccinated on Vaccination Promotion Days in the participating health care facilities, without prior registration.
In the following conditions, booster vaccines are highly recommended:
in case of organ transplantation,
if someone receives biological therapy for an autoimmune disease,
within 6 months after chemo- or radiotherapy,
high-dose steroid therapy or moderate-dose of steroid therapy that was administered for a long-term,
in case of immune-modulating therapy
The administration of booster vaccines is also recommended by the Hungarian healthcare system during pregnancy, since the benefit of the vaccination is greater than the risk it carries. The recommended time for the administration is 13-35th weeks of pregnancy, 6 months after the basal immunization. During pregnancy, the administration of mRNA-vaccines are recommended.
https://egeszsegvonal.gov.hu/en/covid-19/booster-vaccines.html
https://egeszsegvonal.gov.hu/en/covid-19/general-information.html