CalBioreagents supplies immunological reagents worldwide for diagnostic development and research. Products include well-characterized antibodies, proteins, and conjugates for cancer, cardiac, infectious diseases, steroids, thyroid, hormones, and drugs of abuse. Antibody matched pairs, proteins, and conjugates are available for various immunoassay formats. New monoclonals are available for the spermatogenesis marker acrosomal protein SP-10. New drug immunoreagents include monoclonals for Acetaminophen, Barbiturate, Fentanyl, Kratom, and Zopiclone. New infectious disease monoclonals are available for Ebola Virus, Mayaro Virus, Nipah Virus, Powassan Virus, Rift Valley Fever Virus, Clostridium difficile toxin A, and Clostridium difficile toxin B.