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Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Geneva, Switzerland (SEROCoV-POP): a population-based study - The Lancet
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The Swiss pop and folk music singer Sarah-Jane performing live at the Schlager Nacht 2012, Stock Photo, Picture And Rights Managed Image. Pic. IBR-2183862 | agefotostock
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The Swiss pop singer and presenter Leonard live at the Schlager Nacht in Lucerne, Switzerland Stock Photo - Alamy
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