- General population
- Infants (<1 year)
- Adolescents (12-17 years)
- Children (1-11 years)
- Community
- Household
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
Pathogen: SARS-CoV-2
- Adults (18-64 years)
- Elderly (≥65 years)
- Healthcare workers
- Hospital
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- General population
- Infants (<1 year)
- Hospital
- Emergency department
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Adults (18-64 years)
- General population
- Elderly (≥65 years)
- Hospital
- Emergency department
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- General population
- Infants (<1 year)
- Hospital
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Pharmacological intervention
- Monoclonal antibodies
- Nirsevimab
- General population
- Infants (<1 year)
- Children (1-11 years)
- Hospital
- Primary care
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Human metapneumovirus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Human metapneumovirus infection
- Adults (18-64 years)
- General population
- Elderly (≥65 years)
- Primary care
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Adults (18-64 years)
- General population
- Elderly (≥65 years)
- Infants (<1 year)
- Adolescents (12-17 years)
- Children (1-11 years)
- Hospital
- Non-hospital health centre
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Adenovirus
- Metapneumovirus
- Parainfluenza Virus
- Rhinovirus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Adenovirus infection
- Metapneumovirus infection
- Parainfluenza virus infection
- Rhinovirus infection
- Adults (18-64 years)
- General population
- Elderly (≥65 years)
- Hospital
- SARS-CoV-2
- Respiratory syncytial virus
- Influenza virus
- Respiratory syncytial virus infection
- Influenza
- COVID-19
- Adults (18-64 years)
- General population
- Community
- SARS-CoV-2
- Post-COVID-19
- Colchicine
- Antihistamines
- Rivaroxaban
- Adults (18-64 years)
- Outpatient clinic
- Community
- Primary care
- SARS-CoV-2
- Post-COVID-19
- Pharmacological intervention
- Immunomodulator
- Colchicine
- Metformin
- Adults (18-64 years)
- General population
- Hospital
- SARS-CoV-2
- Acute COVID-19
- Blood sample
- PBMC
- Whole blood