With help from computer algorithms, researchers designed proteins from scratch that can trounce the coronavirus in lab animals. Models of proteins sit on a shelf at the Institute of Protein Design at the University of Washington in Seattle, where scientists…

Moderna’s Covid-19 vaccine led patients to produce antibodies that can neutralize the novel coronavirus that causes the disease, though it caused minor side effects in many patients, according to the first published data from an early-stage trial of the experimental…