By decade, the risk of hospitalization from infection with the new coronavirus is: Zero for kids under 10; 0.1% for kids 10 to 19; 1% for people aged 20 to 29; 3.4% for people aged 30 to 39; 4.3% for people in their 40s; 8.2% for those in their 50s; 11.8% for people aged 60 to 69; 16.6% for those in their 70s; and…