1. Males and females aged 18+ years <br/ >2. No known immunodeficiency <br/ >3. History of no contact with COVID-2019 persons within at least 14 days before the enrolment (according to subjects) <br/ >4. No evident vaccine-induced reactions or complications after receiving immunobiological products in the medical history <br/ >5. No acute infectious and/or respiratory diseases within at least 14 days before the enrolment. <br/ >

1. Males and females aged 18+ years <br/ >2. No known immunodeficiency <br/ >3. History of no contact with COVID-2019 persons within at least 14 days before the enrolment (according to subjects) <br/ >4. No evident vaccine-induced reactions or complications after receiving immunobiological products in the medical history <br/ >5. No acute infectious and/or respiratory diseases within at least 14 days before the enrolment. <br/ >

1. Males and females aged 18+ years <br/ >2. No known immunodeficiency <br/ >3. History of no contact with COVID-2019 persons within at least 14 days before the enrolment (according to subjects) <br/ >4. No evident vaccine-induced reactions or complications after receiving immunobiological products in the medical history <br/ >5. No acute infectious and/or respiratory diseases within at least 14 days before the enrolment. <br/ >

1. Males and females aged 18+ years <br/ >2. No known immunodeficiency <br/ >3. History of no contact with COVID-2019 persons within at least 14 days before the enrolment (according to subjects) <br/ >4. No evident vaccine-induced reactions or complications after receiving immunobiological products in the medical history <br/ >5. No acute infectious and/or respiratory diseases within at least 14 days before the enrolment. <br/ >