ファイザーの動物実験は成功
https://www.pfizer.com/news/press-release/press-release-detail/pfizer-and-biontech-announce-data-preclinical-studies-mrna
モデルナの動物実験も成功
https://investors.modernatx.com/news-releases/news-release-details/moderna-announces-publication-new-england-journal-medicine-non/