Overnight Health Care: US surpasses half a million COVID deaths | House panel advances Biden’s $1.9T COVID-19 aid bill | Johnson & Johnson ready to provide doses for 20M Americans by end of March

Welcome to Monday’s Overnight Health Care. It’s going to be a busy week, so make sure you’re properly caffeinated. Maybe try Wilkins Coffee.Follow us on Twitter at @PeterSullivan4, @jessiehellmann and @nateweixel.More than half a million people have…