Very contagious winter disease now has ‘much higher’ spikes in summer — as cases grow across US

Forget cold and flu season. Experts are warning that a highly contagious virus many Americans still associate with the winter is now flourishing in the summer months. And the latest numbers suggest the bug is gaining ground: Infections are growing or likely growing in all 50 states, according to a data from the Centers for Disease Control and Prevention. Infections for a highly contagious respiratory disease have spiked across the US over the last month. Jelena – stock.adobe.com That nationwide COVID spread is drawing attention from health officials, particularly after last summer’s surge. “Our summer peak was much higher in 2025 than it was in the winter,” Dr. Erica Pan, director of the California Department of Public Health and the state public health officer, told the Los Angeles Times.