Published

COVID-19: ventilation of indoor spaces to stop the spread of coronavirus.
Public Health England (PHE); 2021.
https://www.gov.uk/government/publications/covid-19-ventilation-of-indoor-spaces-to-stop-the-spread-of-coronavirus
[Guidance, advice and information on how ventilation of indoor spaces can help to stop the spread of coronavirus (COVID-19), including how to increase ventilation at home and in other settings.]
Freely available online

Age Groups
Conditions and Lifestyle Factors
Coronavirus Infections
Settings
Home and Social Settings
Population Health
Residential and Nursing Homes
Schools
Workplace Health
Staff Groups
Health Promotion Specialist
Manager
Non-Clinical Professional
Public Health Doctor
Public Health Specialist