Andy Slavitt, a senior adviser to Mr. Biden, opened Monday’s Covid-19 briefing with a reminder that the nation was about to achieve “a grim milestone.”

“Everybody misplaced is somebody whose life and items had been reduce brief,” Mr. Slavitt stated. “Our hearts exit to all of those that are grieving family members who’re so deeply missed. For these of us within the administration, the event makes us extra decided to show the tide on Covid-19 so the losses can subside and the therapeutic can start.”

With him was Dr. Anthony S. Fauci, the federal government’s high infectious illness specialist, who predicted on the finish of final March, at a time when there have been barely greater than 2,000 Individuals misplaced to Covid-19, that as many as 200,000 Individuals would possibly die of the illness — a quantity that appeared astronomical on the time. At present, it will appear to be a blessing.

“As sobering a quantity as that’s, we ought to be ready for it,” Dr. Fauci stated on the time.

In an interview on Monday on ABC’s “Good Morning America,” Dr. Fauci stated that whereas a few of the devastation was inevitable, a lot of it may have been prevented.

“It’s so robust to simply return and attempt to, you realize, do a metaphorical post-mortem on how issues went. It was simply unhealthy. It’s unhealthy now,” Dr. Fauci stated, including, “When you look again traditionally, we’ve accomplished worse than most another nation, and we’re a extremely developed, wealthy nation.”

The final public well being catastrophe of comparable proportions was the 1918 influenza pandemic, which is estimated to have killed about 675,000 Individuals. Nancy Ok. Bristow, the chairwoman of the historical past division on the College of Puget Sound and the creator of “American Pandemic: The Misplaced Worlds of the 1918 Influenza Epidemic,” drew a lesson from that.

“There will likely be an actual drive to say, ‘Look how nicely we’re doing,’” she stated, warning towards inclinations now to “rewrite this story into one other story of American triumph.”