In private:
https://www.nbcnews.com/politics/donald-trump/trump-told-bob-woodward-he-knew-february-covid-19-was-n1239658

“I wanted to always play it down. I still like playing it down because I don't want to create a panic," Trump said in a March 19 call with Woodward, according to an audio clip posted Wednesday on The Washington Post's website. The newspaper obtained a copy of the book, "Rage," which is scheduled to be released next week.

In the same interview, Trump acknowledged that the disease was more deadly than he previously thought.

"Now it's turning out it's not just old people, Bob. But just today, and yesterday, some startling facts came out. It's not just old, older," Trump said, according to an audio clip, and then added, "young people, too, plenty of young people."

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In public:


Remarks by President Trump, Vice President Pence, and Members of the Coronavirus Task Force in Press Briefing
https://trumpwhitehouse.archives.gov/briefings-statements/remarks-president-trump-vice-president-pence-members-coronavirus-task-force-press-briefing-6/

"Thank you all for being here. And we continue our relentless effort to defeat the Chinese virus. "

"But now the whole world, almost, is inflicted with this horrible — with this horrible virus and it’s too bad. It’s too bad because we never had an economy as good as the economy we had just a few weeks ago."

"Now, a drug called chloroquine — and some people would add to it “hydroxy-.” Hydroxychloroquine. So chloroquine or hydroxychloroquine. Now, this is a common malaria drug. It is also a drug used for strong arthritis. If somebody has pretty serious arthritis, also uses this in a somewhat different form. But it is known as a malaria drug, and it’s been around for a long time and it’s very powerful. But the nice part is, it’s been around for a long time, so we know that if it — if things don’t go as planned, it’s not going to kill anybody."