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A sign indicating that respiratory masks should not be thrown away after use is photographed in the Covid-19 temporary unit for non-invasive ventilation at the hospital "Reseau hospitalier neuchatelois (RHNe)" Pourtales site during the coronavirus disease (COVID-19) outbreak, in Neuchatel, Switzerland, Thursday, November 5, 2020. Switzerland as many countries in Europe impose more coronavirus restrictions as cases of Covid-19 patients spike in a second wave of pandemic. (KEYSTONE/Laurent Gillieron).Une affiche indiquant qu'il ne faut pas jeter les masques respiratoire photographiee dans l'unite provisoire Covid-19 de ventilation non invasive a l'hopital Pourtales du Reseau Hospitalier Neuchatelois (RHNe) lors de la 2eme vague de la pandemie de Coronavirus (Covid-19) ce jeudi 5 novembre 2020 a Neuchatel.(KEYSTONE/Laurent Gillieron)