Inclusion Criteria:  ≥ 18 years of age Accept to take part in the study and sign the informed consent according to the Declaration of Helsinki. To be a health care professional worker infected or exposed to SARS-CoV-2.  Exclusion Criteria:  < 18 years old Not to accept to take part in the study and/or not to sign the informed consent according to the Declaration of Helsinki. Not to be a health care professional worker exposed to SARS-CoV-2