Aged 51 to 75 years Healthy general condition according to medical history and initial medical examinations (not an exacerbation or hospitalization due to disease in the last 3 months) Willing and able to cooperate throughout the study period according to the study protocol Being able to fully understand the study processes and understand the explanations of the facilitators correctly Being able to understand the contents of the informed consent form and sign it before entering the study Allowing researchers access to medical records, test results if hospitalized due to suspicion, or approval of COVID-19 A negative pregnancy test at screening or vaccination (in non menopause women only) Using effective methods of contraception during the study (male and female) Volunteers who agree not to donate blood, blood products, or bone marrow from the start of the vaccine until three months after receiving the last dose

Aged 51 to 75 years Healthy general condition according to medical history and initial medical examinations (not an exacerbation or hospitalization due to disease in the last 3 months) Willing and able to cooperate throughout the study period according to the study protocol Being able to fully understand the study processes and understand the explanations of the facilitators correctly Being able to understand the contents of the informed consent form and sign it before entering the study Allowing researchers access to medical records, test results if hospitalized due to suspicion, or approval of COVID-19 A negative pregnancy test at screening or vaccination (in non menopause women only) Using effective methods of contraception during the study (male and female) Volunteers who agree not to donate blood, blood products, or bone marrow from the start of the vaccine until three months after receiving the last dose