Covid-19 isn't relatively harmless for younger adults as thought earlier

The largest burden of Covid-19 has undoubtedly fallen on people older than 65, accounting for around 80 percent of deaths in the United States. But if we momentarily eclipse that from our mind’s eye, something else becomes visible: The corona of this virus.

Young adults are dying at historic rates. In research published on Wednesday in the Journal of the American Medical Association, we found that among U.S. adults ages 25 to 44, from March through the end of July, there were almost 12,000 more deaths than were expected based on historical norms.

In fact, July appears to have been the deadliest month among this age group in modern American history. Over the past 20 years, an average of 11,000 young American