Sometimes Cara Tocci feels like she is living in an underground bunker in a very strange world, like a character from the television series "Lost." ...

Moderna Inc on Thursday said it is on track to report early data from a late-stage trial of its experimental COVID-19 vaccine next month, offering the clearest timeline yet for when the world will ...

We thank all correspondents for their interest in our Article.1 Anne N Blaauwgeers and colleagues suggest that our lower eligibility criterion for fetuses suspected to be large for gestational age ...