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Pennsylvania confirms 89 measles cases in a week as outbreak widens

State health officials reported 89 new measles cases in seven days, a sharp rise after 16 cases in all of 2025, with the outbreak now in more than two dozen counties.

Published Aug 22, 2026, 10:47 AM EDT | LehighValleyLive

By Aubrey Whelan, The Philadelphia Inquirer (TNS)

Pennsylvania health officials confirmed 89 new measles cases in the state in the last seven days, an escalation of a rapidly growing measles outbreak that’s affecting more than two dozen counties.