Having a history of vaccination against Covid-19 with other vaccines (in addition to 2 doses of Sinopharm) History of COVID-19 based on laboratory or clinical evidence after receiving 2 doses of Sinopharm History of any vaccinations except COVID-19 within 3 months prior to enrollment Pregnant or breastfeeding women or those who intend to become pregnant up to 3 months after the booster dose injection Lifetime history of severe allergic reactions (anaphylaxis) to the vaccine Coagulation disorders that contraindicate with intramuscular injection History of treatment with immunosuppressive drugs 1 month before the booster injection (including oral and inhaled steroids (does not include topical steroids), cytostatic, interferon, immunoferon, transfer factor, Biomodulin T, any type of gammaglobin, levamisole , Heberferon, thymosin or any other immunomodulatory drug (including patients taking the above drugs due to an underlying disease) Having a fever or acute illness during the 7 days before the injection or on the day of the booster injection Suffering from an unstable heart disease

Having a history of vaccination against Covid-19 with other vaccines (in addition to 2 doses of Sinopharm) History of COVID-19 based on laboratory or clinical evidence after receiving 2 doses of Sinopharm History of any vaccinations except COVID-19 within 3 months prior to enrollment Pregnant or breastfeeding women or those who intend to become pregnant up to 3 months after the booster dose injection Lifetime history of severe allergic reactions (anaphylaxis) to the vaccine Coagulation disorders that contraindicate with intramuscular injection History of treatment with immunosuppressive drugs 1 month before the booster injection (including oral and inhaled steroids (does not include topical steroids), cytostatic, interferon, immunoferon, transfer factor, Biomodulin T, any type of gammaglobin, levamisole , Heberferon, thymosin or any other immunomodulatory drug (including patients taking the above drugs due to an underlying disease) Having a fever or acute illness during the 7 days before the injection or on the day of the booster injection Suffering from an unstable heart disease