Lori Handy, MD, provides guidance in these areas, including presentation before rash onset, when patients should be considered for the inpatient setting, and what treatment looks like.

The latest CDC numbers show a 5.0% increase of measles cases from week-to-week. The US total reached 4,080 confirmed cases, 78% above all of 2025.

With US measles cases nearing 3,900 this year and Pennsylvania reporting its fifth measles-related death, here is a review of how the virus spreads, how it is prevented and managed, and what severe disease looks like.

The latest CDC numbers show a 6.2% increase of measles cases from week-to-week. Last week there was a 5.4% increase in cases showing a continuing steady increase dictated by ongoing outbreaks across the US.

The latest CDC numbers show a 5.4% increase of measles cases from week-to-week. This year has already become the worst for the number of measles cases in the US since the disease was declared eliminated in 2000. With the start of respiratory virus season, case numbers are expected to continue to increase significantly.

The latest CDC numbers show a 5.37% increase of measles cases from week-to-week. In Pennsylvania, the fourth measles-related death was reported in 2026. Additionally, the CDC has made a change in the way it will report deaths.

The 18-year old resident of the state suffered from acute disseminated encephalomyelitis. Pennsylvania numbers are surging with some of the highest state totals of measles cases in the country.

UTI guidelines are moving away from complicated or uncomplicated infections to localized or systemic classification terminologies. Guidelines author Zachary Nelson, PharmD, MPH, BCIDP, provides further insights on the changes including applying antibiograms, potential costs, and whether clinicians will embrace these new classifications.