Is a COVID summer surge coming? Here's what CDC data shows

(NEXSTAR) – Warning signs that could signal a rise in COVID infections are appearing in parts of the U.S.

Wastewater testing, which can help detect the spread of a COVID in a community, has shown a significant uptick of the virus in several states. Testing sites in Montana and Florida are reporting "very high" levels of COVID, the Centers for Disease Control and Prevention reports. Levels are "high" in wastewater across Alaska, California, Connecticut, Georgia, Maryland and New Mexico.