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Leonard Schleifer, the founder and CEO of Regeneron Pharmaceuticals, said on Sunday that President Trump's successful treatment with the company's antibody cocktail is "the weakest evidence you can get" on whether the drug is a cure.

Driving the news: Since leaving Walter Reed Medical Center on Monday, Trump has repeatedly claimed that he is "immune" from COVID-19 and said he views the antibody cocktail as a "cure."

What they're saying: “The president’s case is a case of one, and that’s what we call a case report. And it is evidence of what's happening, but it’s kind of the weakest evidence that you can get," Schleifer told CBS News' "Face the Nation."

  • “[T]he real evidence about how good a drug is and what it will do on average has to come from these larger clinical trials, these randomized clinical trials, which are the gold standard, and those are ongoing," he said.
  • The president’s case is “just low down on the evidence scale that we really need," and while the drug does create immunity, "it's probably going to last you for months," Schleifer added.

The bottom line: “Regeneron can’t do this alone. We need the entire industry. And I am so proud the industry has risen,” Schleifer said.

What to watch: Regeneron and Eli Lilly, which is developing a similar therapy, have applied for an emergency use authorization from the FDA.

Go deeper: Ex-FDA chief says Trump "definitely missed the window" to mass produce antibody drug

Go deeper

Florida police arrest data scientist who challenged state on COVID-19 dashboard

Florida's COVID-19 Data and Surveillance Dashboard displayed on a computer screen. Photo: Paul Hennessy/SOPA Images/LightRocket via Getty Images

Rebekah Jones, a former Florida health department data scientist who says she was wrongly fired last year, has been charged with one count of offenses against users of computers, computer systems, computer networks and electronic devices, the Wall Street Journal reported Monday.

Driving the news: Jones turned herself in Sunday night after a warrant was issued for her arrest. Authorities raided her home last month, causing outcry online after she tweeted a video of the incident.

Biden will reverse Trump's attempt to lift COVID-related travel restrictions

Photo: Tasos Katopodis via Getty

The incoming Biden administration will reverse President Trump's last-minute order to lift COVID-19 related travel restrictions, Jen Psaki, the incoming White House press secretary, tweeted.

Why it matters: President Trump ordered entry bans lifted for travelers from the U.K., Ireland, Brazil and much of Europe to go into effect Jan. 26, but the Biden administration will "strengthen public health measures around international travel in order to further mitigate the spread of COVID-19," Jen Psaki said. Biden will be inaugurated on Wednesday, Jan. 20 and Trump will no longer be president by the time the order is set to go into effect.

Updated Jan 19, 2021 - Sports

2 tennis players test positive for coronavirus ahead of Australian Open

A tennis player (C) leaves hotel quarantine for a training session in Melbourne on Tuesday. The players to test positive for COVID-19 have not been publicly identified. Photo: William West/AFP via Getty Images

Two tennis players are among seven people involved in the Australian Open to test positive for COVID-19 after arriving in Melbourne, health authorities in the state of Victoria said Tuesday.

Why it matters: Some tennis stars including men's world No. 1 Novak Djokovic had sent a letter demanding Victorian authorities ease strict coronavirus quarantine rules for players ahead of the season-opening tennis major's start on Feb. 8.