CDC has issued travel health notices for four countries contending with chikungunya outbreaks in recent months.
These trends threaten to undermine progress made in tackling animal vector-borne pathogens, including decades of investment and emerging technologies such as harnessing bacteria, genetic engineering ...
The intersection of health equity and vaccines is critical as climate change threatens access. Universal immunization is ...
IXCHIQ® was well tolerated by children aged one to eleven years regardless of the dose or previous chikungunya infection (CHIKV) Antibody levels ...
Utah border are growing. In South Carolina, more than 250 people, including students from nine area elementary, middle and ...
More than 1,900 people, mostly children, have been sickened by measles in the U.S. in 2025. The outbreaks are moving the ...
The Arctic has changed dramatically in the past 20 years, a new report shows, as temperatures skyrocket and ice rapidly melts ...
As multiple measles outbreaks simmer across the United States, cases are accumulating nearly as quickly as when the West Texas outbreak was at its peak this spring.
Death Valley National Park has experienced so much record-breaking rainfall this season that an ancient lake has reappeared.
In South Carolina, parents struggle to deal with infections that have brought quarantines and remote learning. Health care workers are bracing for an increase in cases.
The United States is facing its second surge in measles cases. Large outbreaks in Utah, Arizona and South Carolina are continuing to grow. CNN is tracking the cases.