A record number of measles cases has been reported in the US, with the total reaching a 35-year high. This year has also seen more measles deaths than any year since 1992.

Measles cases and deaths are being tracked nationwide. Pennsylvania has reported a fourth measles death, occurring amid a feud with RFK Jr.

Further information on the measles outbreak and related developments can be found through the source. Details on the feud and its connection to the measles situation are also available from the same source.