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What do biological products include?
Biological products refer to drugs used to prevent, treat and diagnose human diseases. They are prepared from microbial cells obtained by conventional or biotechnology such as genetic engineering, cell engineering, protein engineering and fermentation engineering, and other biological materials such as various animals and human tissues and liquids.

Biological products are different from general medical drugs. They play a role by stimulating the immune system to produce immune substances (such as antibodies), and humoral immunity, cellular immunity or cell-mediated immunity appear in human body.

Biological products refer to bioactive preparations that take biological tissues and animal toxins of microbial parasites as raw materials, and control the quality of intermediate products and finished products by biotechnology or separation and purification technology, including vaccines, vaccines, toxins, toxoids, immune serum products, immunoglobulin antigens, allergens, cytokines, enzyme fermentation products, monoclonal antibodies, DNA recombinant products and in vitro immunodiagnostic products.