evidence: More than 95% of people who have had two doses of the measles, mumps and rubella vaccine (MMR vaccine) – which was introduced in 1988 – are protected for life, findings published in the journal The Lancet Public Health show. [...] "The scientific consensus is that measles vaccines are safe and have been highly effective in preventing outbreaks." [...] Dr Robert said: "According to the WHO, measles vaccination averted 57 million global deaths between 2000 and 2022.