• 1 in 3 young adults is at risk of severe Covid-19, new research finds
• US military sees 60 percent jump in coronavirus cases in first few weeks of July
• Opinion: We’re wasting time talking about herd immunity
• 1 in 3 young adults is at risk of severe Covid-19, new research finds
• US military sees 60 percent jump in coronavirus cases in first few weeks of July
• Opinion: We’re wasting time talking about herd immunity