Is RFK Jr right about the US measles outbreak being ‘not unusual’?

Is RFK Jr right about the US measles outbreak being ‘not unusual’?Robert F Kennedy Jr speaks in the Oval Office of the White House next to US President Donald Trump and US Representative Marjorie Taylor Greene (R-GA), on the day Kennedy is sworn in as secretary of Health and Human Service in Washington, DC, US, February 13, 2025. File Image/Reuters