- Adults (18-64 years)
- General population
- Elderly (≥65 years)
- Infants (<1 year)
- Children (1-11 years)
- Adolescents (12-17 years)
- Hospital
- Non-hospital health centre
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Adenovirus
- Rhinovirus
- Parainfluenza Virus
- Metapneumovirus