The erratum and corrigenda sections address errors in published articles from *Nature Medicine*: 1. **ERRATUM**: - The figure (Fig. 4h) on page 578 of the article "Acute graft-versus-host disease does not require alloantigen expression on host epithelium" by T. Teshima et al. is incorrect. The correct panel is provided. 2. **CORRIGENDA**: - **Antidepressant, anxiolytic and anorectic effects of a melanin-concentrating hormone-1 receptor antagonist** by B. Borowsky et al. omits Bharat Lagu from the list of authors. The correct list is provided. - **Tumor-associated B7-H1 promotes T-cell apoptosis: A potential mechanism of immune evasion** by Haidong Dong et al. has an incorrect competing financial interest statement. The correct statement is provided, and the authors regret the errors.The erratum and corrigenda sections address errors in published articles from *Nature Medicine*: 1. **ERRATUM**: - The figure (Fig. 4h) on page 578 of the article "Acute graft-versus-host disease does not require alloantigen expression on host epithelium" by T. Teshima et al. is incorrect. The correct panel is provided. 2. **CORRIGENDA**: - **Antidepressant, anxiolytic and anorectic effects of a melanin-concentrating hormone-1 receptor antagonist** by B. Borowsky et al. omits Bharat Lagu from the list of authors. The correct list is provided. - **Tumor-associated B7-H1 promotes T-cell apoptosis: A potential mechanism of immune evasion** by Haidong Dong et al. has an incorrect competing financial interest statement. The correct statement is provided, and the authors regret the errors.