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ISS facility services worker wearing protective face mask disinfects the interior of a train carriage of the "Transports publics lausannois", TL, Lausanne-Echallens-Bercher train, LEB, as it rolls during the state of emergency of the coronavirus disease (COVID-19) outbreak, in Lausanne, Switzerland, Monday, May 18, 2020. In Switzerland from 11 May, loosening measures slowing down the ongoing pandemic of the COVID-19 disease, which is caused by the SARS-CoV-2 coronavirus, become effective by step. Classroom teaching at primary and lower secondary schools will again be permitted. Shops, markets, museums, libraries and restaurants will be able to reopen under strict compliance with precautionary measures. (KEYSTONE/Laurent Gillieron)