https://www.cidrap.umn.edu/measles/measles-does-long-term-damage-immune-system-studies-show
Clinicians and epidemiologists have long known that measles infection increases childhood morbidity and mortality for as long as 5 years after illness, and measles in the pre-vaccination era was likely associated with at least half of all childhood deaths from infectious diseases.



You are being down voted because you didn’t answer the question you just complained about a conspiracy you’ve imagined.