Trend Questions Corona (Week 46/2021)

On behalf of the Press and Information Office of the Federal Government, the opinion research institute forsa has regularly conducted representative population surveys on the...受德国联邦政府新闻与信息办公室（Press and Information Office of the Federal Government）委托，福萨（forsa）民意调查研究所已就……定期开展具有代表性的人口调查。