KEY POINTS
  • Former President Trump announced his "15 days to slow the spread" campaign one year ago, which urged Americans to stay home to combat the coronavirus pandemic.
  • A look back reveals how little was known about the virus, public health specialists said.
  • The guidance failed to acknowledge that people who don't have symptoms can spread the virus and didn't say anything about wearing masks.
Director of the National Institute of Allergy and Infectious Diseases Dr. Anthony Fauci holds up the "15 Days to Slow the Spread" instruction as U.S. President Donald Trump looks on during a news briefing on the latest development of the coronavirus outbreak in the U.S. at the James Brady Press Briefing Room at the White House March 20, 2020 in Washington, DC.

Tuesday marked one year since President Donald Trump announced his administration's "15 days to slow the spread" campaign, asking Americans to stay home for about two weeks in an effort to contain the coronavirus.

The United States had confirmed just over 4,000 Covid-19 cases. At the time, as city and state officials rushed to implement restrictions to curb the outbreak. Countries were closing borders, the stock market was cratering and Trump — in what proved to be prescient remarks — acknowledged the outbreak could extend beyond the summer.