This scanning electron microscope image shows SARS-CoV-2 (orange)—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S., emerging from the surface of cells (green) cultured in the lab./Credit: NIAID-RML
Stories this photo appears in:
While nationwide surge may be slowing, officials warn of troubling Covid-19 signs across US heartland
New Covid-19 cases in the US may be on the decline, but some officials across the country's heartland reported worrisome news this week.
