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Angela Merkel says ventilation may be one of cheapest and most effective ways of containing virus

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Ventilating rooms has been added to the German government’s formula for tackling coronavirus, in refreshing news for the country’s air hygiene experts who have been calling for it to become official for months.
The custom is something of a national obsession, with many Germans habitually opening windows twice a day, even in winter. Often the requirement is included as a legally binding clause in rental agreements, mainly to protect against mould and bad smells. Continue reading...