Public Health

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

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

The number of people facing acute food insecurity shot up for the fourth year in a row in 2022

Infections of a new strain of Pseudomonas aeruginosa that have led to blindness and death highlight the worsening antibiotic resistance crisis

Recently released data from samples of the COVID-causing virus SARS-CoV-2 at the market where many early cases of the disease occurred suggest animals were present but stop short of proving that they were infected and transmitted the virus to humans

A recent Food and Drug Administration decision that makes naloxone available without a prescription may increase the drug’s accessibility. But cost could be a barrier

With an April 7 court decision, one judge has harmed women’s health and undermined trust in science-based drug approvals in the U.S.

Bird flu outbreaks are a numbers game, and the numbers are turning against us

With millions of people affected and at least $1 trillion of economic value at stake, long COVID is our next national health emergency

Uncertain funding means wastewater surveillance programs could close in the future