Mapped: Where viral illnesses are surging in the US
Advisory Board January 7, 2025
After a slow start in the late fall and early winter, viral illnesses — including COVID-19, influenza, respiratory syncytial virus (RSV), and more — are now surging across the United States.
Viral illnesses surge in the new year
As the new year begins, several viral illnesses are spreading rapidly across the country.
COVID-19
As of the week ending Dec. 28, 2024, CDC data shows that wastewater activity of SARS-CoV-2 is either “high” or “very high” in 28 states. Although wastewater levels of COVID-19 are lower than they were at the same time last year, they have grown significantly over the...