Starting next week, every home in the United States will be able to order four more free at-home COVID-19 tests from the federal government. Since the start of the coronavirus pandemic, public health ...

CINCINNATI — Be aware: That COVID-19 test kit in your home could contain a toxic substance that may be harmful to your children and you. The substance is sodium azide, and Cincinnati Children's ...

* The five patients ranged in age from 32 to 52 years; three were women. Among the five, comorbidities included hypertension, anemia, hypothyroidism, hyperlipidemia, and a bicuspid aortic valve ...

Robert Seibert's letter contains an interesting account of an explosion that involved sodium azide (NaN 3) in the late 1940s (C&EN, Nov. 9, 2009, page 8). Following the dreadful accident, Seibert ...

While at-home COVID-19 tests are considered safe and effective when used properly, a chemical found in some popular kits is leading to an increase in calls to poison control centers. Sodium azide is ...