Science
Featuring articles on the efficacy of mRNA vaccines in U.S. veterans, Covid-19 vaccine effectiveness in New York state, FFR-guided PCI as compared with coronary bypass surgery, an acute myeloid leukemia case after gene therapy for sickle cell disease, cannabis legalization and THC levels in injured drivers, oocytes from stem cells, and a new journal in the NEJM Group family; a review article on biologic therapies for severe asthma; a case report of a man with motor neuron disease and odd behaviors during sleep; and Perspective articles on reengineering GME in a pandemic and on expanded lung and colorectal cancer screening.