Low-frequency CD8+ T cells induced by SIGN-R1+ macrophage-targeted vaccine confer SARS-CoV-2 clearance in mice oleh Daisuke Muraoka, Meng Ling Moi, Osamu Muto, Takaaki Nakatsukasa, Situo Deng, Chieko Takashima, Rui Yamaguchi, Shin-ichi Sawada, Haruka Hayakawa, Thi Thanh Ngan Nguyen, Yasunari Haseda, Takatoshi Soga, Hirokazu Matsushita, Hiroaki Ikeda, Kazunari Akiyoshi, Naozumi Harada