Fuente: WIPO "tomato" Disclosed herein are monospecific and multi-specific antibodies with specificities for one or more of OX40, CD40, 4-1BB, HSA, IL-22, or EGFR. Specifically, the disclosure provides variable heavy (VHH) domains of the antibodies with specificities for one or more of OX40, CD40, 4-1BB, HSA, IL-22, or EGFR, and associated sequences. Further discloses are methods of using the monospecific or multi-specific antibodies for treating ah autoimmune disease.