新型コロナウイルス感染時に獲得されたウイルスに対する抗体は 少なくとも発症後3～6か月間は維持される

"Antibody titers against SARS-CoV-2 decline, but do not disappear for several months"

EClinicalMedicine オンライン版：Volume 32, February 2021, 100734 doi:10.1016/j.eclinm.2021.100734

Seiya Yamayoshi*, Atsuhiro Yasuhara, Mutsumi Ito, Osamu Akasaka, Morio Nakamura, Ichiro Nakachi, Michiko Koga, Keiko Mitamura, Kazuma Yagi, Kenji Maeda, Hideaki Kato, Masanori Nojima, David Pattinson, Takayuki Ogura, Rie Baba, Kensuke Fujita, Hiroyuki Nagai, Shinya Yamamoto, Makoto Saito, Eisuke Adachi, Junichi Ochi, Shin-ichiro Hattori, Tetsuya Suzuki, Yusuke Miyazato, Shiho Chiba, Moe Okuda, Jurika Murakami, Taiki Hamabata, Kiyoko Iwatsuki-Horimoto, Hideaki Nakajima, Hiroaki Mitsuya, Norio Omagari, Norio Sugaya, Hiroshi Yotsuyanagi, and Yoshihiro Kawaoka*（*責任著者）