Assessment of the Immunization Levels Against Sars-Cov2 Virus in Subjects Who Have Received EU-approved COVID-19 Vaccines

Assessment of the Immunization Levels Against Sars-Cov2 Virus in Subjects Who Have Received European Union (EU) -Approved COVID-19 Vaccines

Patients who voluntarily visit vaccination centers in Greece against COVID-19 are recruited and their immunization levels against Sars-Cov2 are assesed by measurement of the levels of serum antibodies against Sars-cov-2 before vaccination and in time intervals up to 6-9 months post-vaccination (indicatively 0-1-3-6-9 months post-vaccination).

Inclusion Criteria:

• Subjects who voluntarily receive COVID-19 vaccination

Exclusion Criteria:

• Patients who do not complete their vaccination
• Patients who do not provide info on their health status