Genetic Mutations - General Science & General Esoterism - Non-Elaborate Posts - Post 8

Microorganisms employ various strategies to evade the host immune system, and genetic mutations play a crucial role in these strategies. For example, viruses can mutate their surface antigens, making them unrecognizable to antibodies generated against previous strains. This phenomenon, known as antigenic variation or drift, is responsible for the need for annual influenza vaccinations.

Mutations can also affect the virulence, or disease-causing ability, of pathogens. Some mutations may increase virulence by enhancing the pathogen's ability to invade host tissues, produce toxins, or suppress the host immune response. Other mutations may decrease virulence, leading to attenuated strains that can be used as vaccines.

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