inclusion criteria: 1. people ≥18 years old. 2. any genre. 3. have received their informed consent. 4. negative pcr test for sars-cov-2 during the screening visit. 5. negative pregnancy test in women with child-bearing potential. 6. commitment to maintain adequate prevention measures to avoid contagion by sars-cov-2 throughout their participation in the study considering their strict following for the first 14 days after the baseline visit (use of face masks in closed places, social distancing measures in open spaces and frequent handwashing). 7. have been vaccinated with any of the approved vaccines against sars-cov-2 (at least once).

inclusion criteria: 1. people ≥18 years old. 2. any genre. 3. have received their informed consent. 4. negative pcr test for sars-cov-2 during the screening visit. 5. negative pregnancy test in women with child-bearing potential. 6. commitment to maintain adequate prevention measures to avoid contagion by sars-cov-2 throughout their participation in the study considering their strict following for the first 14 days after the baseline visit (use of face masks in closed places, social distancing measures in open spaces and frequent handwashing). 7. have been vaccinated with any of the approved vaccines against sars-cov-2 (at least once).

inclusion criteria: people ≥18 years old. any genre. have received their informed consent. negative pcr test for sars-cov-2 during the screening visit. negative pregnancy test in women with child-bearing potential. commitment to maintain adequate prevention measures to avoid contagion by sars-cov-2 throughout their participation in the study considering their strict following for the first 14 days after the baseline visit (use of face masks in closed places, social distancing measures in open spaces and frequent handwashing). have been vaccinated with any of the approved vaccines against sars-cov-2 (at least once).

inclusion criteria: people ≥18 years old. any genre. have received their informed consent. negative pcr test for sars-cov-2 during the screening visit. negative pregnancy test in women with child-bearing potential. commitment to maintain adequate prevention measures to avoid contagion by sars-cov-2 throughout their participation in the study considering their strict following for the first 14 days after the baseline visit (use of face masks in closed places, social distancing measures in open spaces and frequent handwashing). have been vaccinated with any of the approved vaccines against sars-cov-2 (at least once).