The department cited regional changes in the coronavirus pandemic, including significant improvements in some areas and declines in public health in others.
A team at the University of Washington's Institute for Health Metrics and Evaluation now projects the U.S. death toll from COVID-19 will reach nearly 300,000 by December.
Some schools are choosing to be remote-only this fall, while others have already reopened. NPR looks at the science and education issues facing families, states and educators as classes resume.
Adjuvants play a crucial role in many vaccines' effectiveness. Some scientists say there needs to be more research into developing a wider variety of adjuvants because of how important they are.
As schools weigh the risks of reopening, many are making plans to lower the risks of coronavirus transmission. Here's how to vet your school's proposals.
Obama describes having trouble sleeping and periods throughout the pandemic in which she has felt down: "Spiritually, these are not ... fulfilling times."
Congress still doesn't have a widespread testing program for the coronavirus and was reminded of that risk when three members tested positive in one week.
The National Hockey League has resumed its season in two "bubbles" in Edmonton and Toronto, Canada. The league says it's administered 7,000 coronavirus tests to players, with zero positive cases.
As Congress debates whether to renew supplemental unemployment benefits for people thrown out of work by the pandemic, new research shows those benefits offer a critical boost for the U.S. economy.