What are biologics?

What are biologics? Biologics, according to the US FDA, include “a wide range of products such as vaccines, blood and blood components, allergenics, somatic cells, gene therapy, tissues and recombinant therapeutic proteins [1].” Biologics can be sugars, proteins, nucleic acids or a complex combination of these substances, but the key message remains that they are isolated from a variety of natural sources. A quick Google search will show you that a similar sentiment is confirmed by the NHS (UK): “[Biologics are] made from proteins and other substances produced by the body [2]” and WebMD (NY, USA): “[Biologics are] made from...