Overnight Health Care: Biden signs health care executive actions to ‘undo the damage’ caused by Trump | COVID-19 cases drop, but variants point to dangers ahead | Novavax vaccine almost 90 percent effective in trial, but not against South Africa variant

Welcome to Thursday’s Overnight Health Care.President Biden announced new steps to expand access to health care and to reverse some of the Trump administration’s anti-abortion measures. Novavax reported mixed results in its early trial analysis,…