CDC Reports Rising COVID-19 Cases in 25 U.S. States

The U.S. Centers for Disease Control and Prevention (CDC) has observed an uptick in COVID-19 infections across 25 states, signaling the onset of a potential summer wave of the virus. Although nationwide activity remains classified as "low" based on CDC wastewater surveillance data, this is a notable increase from the previous week’s "very low" levels. The states experiencing the most significant surges include parts of the South, Southeast, and West Coast regions, with emergency room visits for COVID reaching their highest levels since February and March in some areas like the Pacific Northwest and Southeast.

Experts have been monitoring the development of new virus variants spreading across the country, which may contribute to the current rise. A recent CDC analysis highlights a cyclical pattern in COVID-19 cases, with peaks occurring twice a year—once during the summer months (July to September) and again in winter (December to February). This pattern is linked to ongoing changes in the virus's spike protein, particularly in the S1 region that enables the virus to infect human cells.

In addition to COVID-19, CDC officials warn about a surge in Parvovirus B19 infections, which commonly cause mild symptoms like fever, muscle aches, and rashes. Pregnant women are advised to be especially cautious, as the virus can pose higher risks during pregnancy. In Chicago, health authorities report an increase in emergency visits related to Parvovirus B19, with recent weeks showing the highest incidence since 2015.

The CDC continues to emphasize the importance of vigilance and monitoring for these viruses, as the seasonal pattern of COVID-19 appears to be persistent. For more detailed information on Parvovirus B19, visit the CDC’s official page. This ongoing situation underscores the need for continued public health awareness and preparedness.

Source: https://medicalxpress.com/news/2025-07-cdc-covid-cases-states.html