[EU] COVID-19デマ：我々は何を学んだか？ Misinformation on COVID-19: what did we learn? 21 February 2023 https://joint-research-centre.ec.europa.eu/jrc-news/misinformation-covid-19-what-did-we-learn-2023-02-21_en JRCの報告書は最も拡散された…