What Role Does Pathogen Variability Play in Immune Evasion?
One of the primary challenges in controlling infectious diseases is the ability of pathogens to evade the host's immune system. Pathogen variability can facilitate immune evasion by altering surface proteins or other antigenic structures, making it difficult for the immune system to recognize and neutralize the pathogen. This phenomenon, known as antigenic variation, is a common strategy employed by many viruses, bacteria, and parasites to persist within the host and avoid immune responses.