U.S. public-health advisers voted unanimously to recommended COVID-19 booster shots from Moderna and Johnson & Johnson, clearing the way for a widespread campaign hoped to stave off a resurgence of the virus.
Boosters are becoming more widely available at a crucial time when the U.S. is still fighting the summer surge of infections driven by the highly contagious delta variant of COVID. Health officials are keen to protect those most vulnerable to the disease as the winter months approach, bringing the added threat of a potentially harsh flu season.
