PlagueOutbreak.info monitors official public-health sources and global reporting, then produces concise assessments when genuinely new material appears.
Media reports of a second plague case in Russia circulated, but Russian authorities dismissed those reports; the WHO has urged formal notification and an appropriate public-health response.
Recent reporting quotes experts saying the United States is seeing its most severe dengue fever activity since the 1930s, indicating a substantial rise in domestic transmission.
Read report →An Alachua County (Florida) animal shelter has suspended intakes and adoptions because of a respiratory outbreak affecting shelter animals, according to local reporting.
Read report →Reporting indicates a measles outbreak is ongoing in Pennsylvania and is coinciding with the seasonal surge of other respiratory viruses, complicating public-health response.
Read report →Governor Kathy Hochul has declared a state of emergency in New York in response to a measles outbreak, according to recent reporting.
Read report →USDA-confirmed avian influenza (bird flu) infections have been detected in two dairy herds in Yakima County, Washington; media reporting identifies these as the first known cattle/dairy cases in the state.
Read report →Multiple media outlets report the death of a researcher linked to a Russian anti-plague laboratory and a subsequent quarantine of at least part of the facility; reporting describes fears about a possible plague exposure but contains conflicting claims and no clear public-health confirmation.
Read report →Two news sources present conflicting accounts: one reports Kenya has confirmed its first Ebola case imported from the DRC, while another reports that tests on a suspected Ebola case returned negative.
Read report →Local reporting indicates the ongoing HIV outbreak in Penobscot County (Maine, USA) has reached a 49th reported case.
Read report →Taylor Farms announced it will curb lettuce sales sourced from Mexico after a large cyclospora outbreak; the move is a private-sector action in response to an ongoing foodborne illness event.
Read report →Reporting indicates a patient in Kenya with Ebola who had extensive recent travel through the Democratic Republic of Congo and Uganda before flying to Kenya and dying; authorities are investigating the travel-linked importation.
Read report →Pennsylvania health officials reported 74 new measles cases, representing a substantial, ongoing cluster.
Read report →The USDA has reported more detections of H5N1 avian influenza on poultry farms, indicating continued circulation of the virus in US poultry operations.
Read report →News reports state a new Ebola vaccine has entered clinical trials in Africa as the Democratic Republic of the Congo continues to confront an ongoing Ebola outbreak; on-the-ground reporting outlines outbreak conditions at frontline sites.
Read report →CDC’s MMWR describes an investigation into the administration of an unapproved botulinum toxin product at a medical spa in Colorado during 2025–2026, prompting public-health case-finding and response.
Read report →Multiple media reports describe a suspected pneumonic plague death linked to the Irkutsk/Siberia area in Russia; Russia has told WHO there is 'no plague case' while assessments continue. The U.S. announced screening of travelers from the Irkutsk area and senior U.S. officials have said the United States is willing to assist.
Read report →Reporting describes an Ebola outbreak that is spreading rapidly and straining health workers, who are experiencing exhaustion while responding to the outbreak.
Read report →New source material is continuously collected and deduplicated. Relevant developments are then analysed to distinguish official statements, independent reporting, disputed claims and unresolved uncertainty.
PlagueOutbreak.info does not treat a single media report as confirmation of an outbreak. Where sources disagree, the disagreement is part of the report.