The incidence of human parvovirus B19-associated aplastic crisis among children and adolescents with sickle cell disease was higher during December 2023–October 2024 than any previous year from 2010–2023.
Brown dog tick-transmitted Rocky Mountain spotted fever is on the rise along the U.S.-Mexico border region, putting locals and travelers at risk for infection.
PrEP initiations steadily increased from 2017–2023. In 2023 alone, more than 850,000 people started taking CDC-supported PrEP, 96% of whom lived in sub-Saharan Africa.
In the first 10 months of 2024, human parvovirus B19 diagnoses, positive test results, and pregnancy-associated complications were higher than expected when compared to the previous 5 years.
