The Centers for Disease Control and Prevention (CDC) has sparked controversy by excluding two measles-related deaths from its latest national data update, despite initial reports from Pennsylvania health officials. The unusual move, reportedly ordered by new CDC Director Erica Schwartz, challenges the state's authority in determining deaths related to measles.

The CDC's website underwent several changes over the weekend, first listing two deaths, then removing them to include an asterisk referencing the exclusion. The CDC's new stance raises questions about the agency's role in evaluating measles-related deaths.

According to The New York Times, Schwartz ordered the changes, which could have significant implications for public health surveillance and the accuracy of measles data. The move has also prompted speculation about the reasons behind the decision, with some questioning the CDC's method of handling such sensitive information.

The Washington Post reported that the CDC has a history of making these changes, but the frequency and scale of the current alterations have prompted closer scrutiny. Critics argue that this move could undermine public trust in the CDC's data and processes, while supporters see it as a necessary step to ensure data integrity.

The incident highlights the complex and sometimes contentious relationship between state and federal health agencies, and the importance of clear and transparent communication in times of public health crises.