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The development of vaccines started in the late 18th century with Edward
Jenner's revolutionary smallpox vaccine, which established the basis for
contemporary immunology. Throughout the years, notable progress occurred, such
as the discovery of the polio vaccine by Jonas Salk and the widespread use of
measles, mumps, and rubella (MMR) vaccines. Recently, the introduction of mRNA
technology has transformed vaccine development, resulting in the swift
production of COVID-19 vaccines throughout the worldwide pandemic. These
developments highlight the revolutionary impact of vaccines in fighting
infectious diseases and enhancing public health.
Examples:
1955: Introduction of the polio vaccine by Jonas Salk.
1963: First measles vaccine released.
2020: First COVID-19 mRNA vaccines developed in record time.
Link to learn more:
https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm