The antibodies and antigen binding fragments of the present invention bind specifically to human lizards or cinnamon monkeys, and the immunoglobulin chains of these antibodies and polynucleotide, which are encoded with syringes including antibodies or fragments. Vaccines containing these antibodies and fragments, as well as components including antibodies and fragments (E. G., including anti-pd1 antibodies), are included in the invention, and methods of using these components to treat or prevent cancer or infection are also provided. In addition,Recombinant expression of antibodies and fragments is part of the present invention.
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