COVID-19 Vaccine and Pregnancy Outcomes, Valacyclovir for Alzheimer Disease, Abortion Access in Los Angeles, and more

Editor's Summary by Kirsten Bibbins-Domingo, PhD, MD, MAS, Editor in Chief, and Preeti Malani, MD, MSJ, Deputy Editor of JAMA, the Journal of the American Medical Association, for articles published from December 13-19, 2025.