Editor’s Note: After publication of this story, Virginia began to provide separate viral and antibody test data. Meanwhile, three other states and the CDC seem to be mixing their COVID-19 test types.

Janette Novak is a freelance journalist and consultant who specializes in teaching online business and small business marketing. Previously, Janette owned a boutique marketing agency and served as a ...

A new type of blood test could help detect multiple cancers early. A team of researchers in California studied a new multi-cancer early detection (MCED) test called Galleri, which can reportedly ...

Bleak statistics accompany the world’s leading cause of death: 1 in 2 of us will be diagnosed with cancer in our lifetime. Earlier diagnosis drastically improves survival, but unfortunately unscreened ...

The ability to understand and communicate about data is an increasingly important skill for the 21st-century citizen, for three reasons. First, data science and AI are affecting many industries ...

Rapid antigen tests are distributed at a center in Northeast D.C. in January. (Sarah L. Voisin/The Washington Post) The ever-shifting pandemic has taken another unexpected turn. In the United States, ...