SARS-CoV-2 stays airborne & accumulates indoors, so
German government is betting on ventilation.
Help to schools for air purifiers;
Grants to improve ventilation systems in buildings;
Deploy CO2 sensors to tell how stale the air in a room is.
https://bbc.in/2FSCVyb




https://bbc.in/2FSCVyb
Chancellor Merkel previously said ventilation may be one of cheapest and most effective ways of containing the virus. Government guidelines were extended to include airing indoor spaces, including in schools. https://www.theguardian.com/world/2020/sep/30/germans-embrace-fresh-air-to-ward-off-coronavirus
Germany's guidelines to tackle the virus, encapsulated in the acronym AHA, which stands for distancing, hygiene and face coverings, will be extended to become AHACL. The “C” stands for the government’s coronavirus warning app, and “L” for Lüften or airing a room.