CDC

The US Centers for Disease Control and Prevention has dispatched senior epidemiologists to Pennsylvania to assist with an expanding measles outbreak. As of mid-October, confirmed cases in the state have climbed to 1,222 with a sixth death reported. Public health officials have described the outbreak as one of the largest sustained measles events in the United States in recent years, underscoring the systemic risks of vaccine-preventable disease resurgence amid declining MMR coverage.

According to Axios, the US CDC is monitoring recent plague-related public health risks in Russia and is prepared to respond. This is the CDC’s first formal response after a Russian researcher died from pneumonic plague and approximately 200 people were placed under quarantine observation.

New York State has declared a measles disaster emergency, the first such declaration in the US mainland since 2025. Health officials stated the outbreak spread exceeds expectations.

The Guardian reports that Pennsylvania is experiencing its most serious measles outbreak in years, with state health officials confirming 55 new cases since Wednesday and a cumulative total above 200. Emergency vaccination drives and contact tracing have been launched in multiple southern counties.

The latest surveillance data from the US CDC shows that reported human rabies exposures in July and August 2026 increased 17% compared to the same period last year. Public health authorities are urging the public to strengthen precautions against contact with wild animals, ensure pet vaccinations are up to date, and emphasize the importance of seeking timely post-exposure medical care.

CDC Warns Congo Ebola Outbreak Could Rival Largest Epidemic on Record, Cases May Top 20,000 in Three Months The US Centers for Disease Control and Prevention (CDC) has issued a stark warning that the Ebola outbreak in the Democratic Republic of Congo could become the largest Ebola epidemic on record. The CDC projects that without immediate international action, case numbers could exceed twenty thousand within three months, approaching the scale of the devastating 2014 West Africa outbreak that claimed over eleven thousand lives. ...

Five US states are monitoring passengers from the MV Hondius cruise ship following a hantavirus outbreak aboard the vessel. Approximately 12 countries have been linked to potential cases from the outbreak. The US Centers for Disease Control and Prevention (CDC) has deployed teams to meet passengers at various ports, providing health screenings and guidance. Hantavirus is a serious infectious disease transmitted by rodents that can cause severe respiratory illness. The cruise carried passengers from multiple countries, and global health agencies are closely tracking potential contacts. Health departments across several nations are coordinating their response to ensure timely detection and isolation of potential cases. ...

South Carolina has officially declared its nearly 200-day measles outbreak over after nearly 1,000 infections — setting a U.S. state record — while also driving a significant surge in vaccination rates.

The U.S. CDC has delayed its recommendation for infant hepatitis B vaccination, with studies warning the decision could lead to hundreds of new infections annually.

The U.S. CDC has issued a health warning about drug-resistant salmonella infections linked to contact with backyard poultry.