The agency’s weekly update escalates a political fight after Pennsylvania said two deaths had been caused by the virus.

The deaths have been at the heart of a bitter political dispute between RFK Jr. and Gov. Josh Shapiro (D).

The CDC is refusing to count the deaths of two children in Pennsylvania from measles, directly contradicting the state's health officials.

After Pennsylvania reported two measles deaths, the C.D.C. took the highly unusual step of challenging the state. Our reporter Apoorva Mandavilli explains how this tension between the Trump administration and states over health issues is creating confusion for Americans.

What’s happening with measles in Pennsylvania? There is currently a disagreement between local health officials and the feds over whether there are one, two, or no measles deaths in the ongoing outbreak there.

The Lancaster coroner’s office is investigating the second case of a child who reportedly died after testing positive for measles as the state faces scrutiny from the Trump administration about the

Staff and visitors in five locations at UPMC Children's Hospital in Pittsburgh were exposed to measles on Aug. 27, the county health department said.