inclusion criteria: 1. agree to sign the study informed consent form (icf) before performing any study specific procedure 2. adults ≥ 18 years old 3. negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment 4. consent for using effective methods of contraception during the study 5. no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history 6. no acute infectious and/or respiratory diseases within at least 14 days before the enrolment

inclusion criteria: 1. agree to sign the study informed consent form (icf) before performing any study specific procedure 2. adults ≥ 18 years old 3. negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment 4. consent for using effective methods of contraception during the study 5. no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history 6. no acute infectious and/or respiratory diseases within at least 14 days before the enrolment

inclusion criteria: agree to sign the study informed consent form (icf) before performing any study specific procedure adults ≥ 18 years old negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment consent for using effective methods of contraception during the study no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history no acute infectious and/or respiratory diseases within at least 14 days before the enrolment

inclusion criteria: agree to sign the study informed consent form (icf) before performing any study specific procedure adults ≥ 18 years old negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment consent for using effective methods of contraception during the study no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history no acute infectious and/or respiratory diseases within at least 14 days before the enrolment

inclusion criteria: 1. agree to sign the study informed consent form (icf) before performing any study specific procedure 2. adults ≥ 18 years old 3. negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment 4. consent for using effective methods of contraception during the study 5. no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history 6. no acute infectious and/or respiratory diseases within at least 14 days before the enrolment

inclusion criteria: 1. agree to sign the study informed consent form (icf) before performing any study specific procedure 2. adults ≥ 18 years old 3. negative covid-19 pcr test result at the screening visit and negative immunochromatographic sars-cov-2 antigen rapid-test result at the enrolment 4. consent for using effective methods of contraception during the study 5. no evidence of vaccine-induced reactions or complications after receiving immunobiological products in medical history 6. no acute infectious and/or respiratory diseases within at least 14 days before the enrolment