Outbreak Watch

US measles outbreaks: 5 Nov 2026

The summary as it stood at the end of this day.

Status: Outbreak growing Summary written

Pennsylvania confirms sixth measles death as cases expand to 45 counties

Is it spreading to new areas?

Spread confirmed

As of 4 November 2026, Pennsylvania state health officials reported that measles cases have spread across 45 counties in the state.

Sources: NBC10 Philadelphia

Key figures

FigureValueBasisAs ofSources
Total U.S. Measles Cases
Stated by the Centers for Disease Control and Prevention (CDC).
4,852OfficialSources: Reuters
Pennsylvania Total Measles Cases
Stated by the Pennsylvania Department of Health.
1,433Press reportsSources: Reuters
Lancaster County Measles Cases
Stated by health officials as reported by LNP | LancasterOnline.
>500OfficialSources: LNP | LancasterOnlineLNP | LancasterOnline 2
Pennsylvania Measles Deaths
Confirmed by Pennsylvania state health officials; Franklin County's coroner reported a potential seventh death under investigation.
6OfficialSources: The Washington PostCBS NewsNBC10 PhiladelphiaThe Philadelphia InquirerCIDRAP
New York State Measles Deaths
Confirmed by New York Governor Kathy Hochul and state health officials.
1OfficialSources: Spectrum NewsABC NewsThe Washington Post

Who says what

WhoSaysDateSources
Centers for Disease Control and Prevention (CDC)Reported total U.S. measles cases reached 4,852.Sources: Reuters
Pennsylvania Department of HealthConfirmed six measles-related deaths in the state and reported cases across 45 counties.Sources: NBC10 PhiladelphiaThe Philadelphia Inquirer
New York Governor Kathy HochulConfirmed the death of a child in Upstate New York from measles, representing the state's first measles fatality in 30 years.Sources: Spectrum News
Franklin County CoronerReported a potential measles-related death that remains under investigation by state health officials.Sources: The Philadelphia Inquirer

Summary

As of 4 November 2026, Pennsylvania state health officials confirmed a sixth measles-related death in the state, including a second death in Jefferson County, while cases have spread to 45 counties. Lancaster County has recorded more than 500 cases during the outbreak.

On 3 November 2026, New York Governor Kathy Hochul and state health officials announced the death of a child in Lewis County from measles, marking New York State's first measles-related death in over 30 years. Nationwide, total U.S. measles cases reached 4,852 as of late October 2026 according to the CDC.

Timeline

  1. The CDC reports total U.S. measles cases have reached 4,852.
    Sources: Reuters
  2. Pennsylvania Department of Health reports statewide measles cases reached 1,433.
    Sources: Reuters
  3. New York State reports its first measles death in over 30 years after a child contracts the virus in Lewis County.
    Sources: Spectrum NewsWGRZ
  4. Pennsylvania health officials confirm a sixth measles death as cases expand to 45 counties and Lancaster County passes 500 cases.
    Sources: NBC10 PhiladelphiaThe Philadelphia InquirerLNP | LancasterOnline

Still unknown

Reporting published on 5 Nov 2026

No reporting from listed outlets.