inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: 1. subjects who can voluntarily consent to participate in the study with their parents or legal representatives, 2. subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), 3. no history of sars-cov-2 (within the last 12 months), 4. consent of sexually active females to use effective contraception during the study, 5. adolescent males or females who were at least 12 years old and not older than 18 years of age on the date of the informed consent signature, 6. in the opinion of the investigator, subjects who can comply with the study protocol during the study, 7. according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, 8. not participating in another clinical trial.

inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: 1. subjects who can voluntarily consent to participate in the study with their parents or legal representatives, 2. subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), 3. no history of sars-cov-2 (within the last 12 months), 4. consent of sexually active females to use effective contraception during the study, 5. adolescent males or females who were at least 12 years old and not older than 18 years of age on the date of the informed consent signature, 6. in the opinion of the investigator, subjects who can comply with the study protocol during the study, 7. according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, 8. not participating in another clinical trial.

inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: subjects who can voluntarily consent to participate in the study with their parents or legal representatives, subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), no history of sars-cov-2 (within the last 12 months), consent of sexually active females to use effective contraception during the study, adolescent males or females who were at least 12 years old and not older than 18 years of age on the date of the informed consent signature, in the opinion of the investigator, subjects who can comply with the study protocol during the study, according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, not participating in another clinical trial.

inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: subjects who can voluntarily consent to participate in the study with their parents or legal representatives, subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), no history of sars-cov-2 (within the last 12 months), consent of sexually active females to use effective contraception during the study, adolescent males or females who were at least 12 years old and not older than 18 years of age on the date of the informed consent signature, in the opinion of the investigator, subjects who can comply with the study protocol during the study, according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, not participating in another clinical trial.

inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: subjects who can voluntarily consent to participate in the study with their parents or legal representatives, subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), consent of sexually active females to use effective contraception during the study, adolescent males or females who were at least 16 years old and not older than 18 years of age on the date of the informed consent signature, in the opinion of the investigator, subjects who can comply with the study protocol during the study, according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, not participating in another clinical trial.

inclusion criteria: each subject must meet all the following criteria to be enrolled in this study: subjects who can voluntarily consent to participate in the study with their parents or legal representatives, subjects agreed to comply with all study visits and procedures (consented to give blood sample and nasopharyngeal swab, and receiving automated telephone calls from the study site), consent of sexually active females to use effective contraception during the study, adolescent males or females who were at least 16 years old and not older than 18 years of age on the date of the informed consent signature, in the opinion of the investigator, subjects who can comply with the study protocol during the study, according to the vaccination program of the ministry of health, meeting the criteria for vaccination however, who voluntarily choose not to be vaccinated when rights are granted and subjects who agreed to receive one of the vaccines to be used in this study, not participating in another clinical trial.