WHO experts are seeing the same chikungunya warning signs that occurred two decades ago, when the virus swept across Indian Ocean countries.
The case marks the eighth since early June and is part of a steady rise since late 2023.
All 18 cases in 2025 have been reported from mainland China.
Ongoing outbreaks have raised questions and intense scientific investigations into a host of contributing factors.
Economic losses from decreased milk production for 60 days and cow loss add up to $950 per animal, for a total of $737,500 for a single herd.
The affected district in Guangdong province has reported at least 478 chikungunya cases.
Recent illnesses from Bangladesh and India have involved the older 2.3.2.1a clade.
US COVID wastewater detections ticked up slightly, from very low to low, and are highest in the West.
The CDC advised clinicians to consider H5N1 avian flu in patients who have acute respiratory illness symptoms or conjunctivitis with relevant exposure, including to raw milk.
The shift reflects the current public health situation, marked by declines in human cases as well as animal detections.
