A team of international experts under the World Health Organization (WHO) developed an Airborne Risk Indoor Online Calculator.
ARIA is an online tool that enables users and building managers to assess the risk of SARS-COV-2 (COVID-19) airborne transmission in residential, public, and healthcare settings. The aim is to inform decisions that can significantly reduce the risk of transmission.
A 66-pages document [5.757 MB, English, archived] is available:
