Novavax’s vaccine is made of tiny particles studded with the coronavirus spike protein plus honeycomblike molecules, derived from plants, that stimulate the immune system. A.KITTERMAN AND V. ALTOUNIAN/SCIENCE By Meredith WadmanNov. 3, 2020 , 2:00 PM Science’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation. GAITHERSBURG, […]