Extended SARS-CoV-2 RBD booster vaccination induces humoral and cellular immune tolerance in mice<br><a href="https://www.sciencedirect.com/science/article/pii/S2589004222017515" target="_blank" rel="noopener nofollow">https://www.sciencedirect.com/science/article/pii/S2589004222017515</a><br><br>Twitter<br><a href="https://mobile.twitter.com/re_awake_jp" target="_blank" rel="noopener nofollow">https://mobile.twitter.com/re_awake_jp</a><br>