Overnight Health Care: Inside Biden’s pragmatic approach to coronavirus rules | CDC says delta variant now makes up majority of US cases | WHO denounces vaccine nationalism as global death toll passes 4 million

Welcome to Wednesday’s Overnight Health Care. Even the Teletubbies are getting vaccinated. The “Astratubbica” and “Noo-nson & Noo-nson” shots may soon be household names among parents with young kids. Be ready.If you have any tips, email us at…