COVID

The new leader of the CDC should prioritize the people it serves, people in the agency itself and people who exert power over public health

The drug metformin cut long COVID risk by 41 percent in both people who were overweight and those with obesity. But treatments remain elusive

Genetic susceptibilities, the environment and the body’s response to inflammation all influence our odds of falling ill

The COVID pandemic put mRNA technology, long in development, to the test. Here’s a look at how it might fight cancer and when it might reach patients

The COVID pandemic caused a U.S.-wide decline in fertility rates, but red states actually saw increases

Brain fog is such a nebulous term in long COVID that it delegitimizes efforts to get disability accommodations and medical leave

Laser-based optical frequency combs, originally developed to time atomic clocks, can also perform fast, noninvasive tests for COVID—and potentially other diseases as well

As the federal public health emergency is set to expire on May 11, here’s what you need to know about future COVID testing, treatment and vaccines

The World Health Organization has declared that COVID is no longer a “public health emergency of international concern” but cautions that it is still an ongoing health issue

Unregulated wild animal markets increase the risk of more epidemics

New mask studies relying on a medical paradigm do not erase decades of engineering and occupational science that show they work

The FDA has authorized a second updated COVID booster for older people and immunocompromised individuals. Most healthy adults still have to wait