Five years ago this week, the World Health Organization called the COVID-19 outbreak a pandemic. In the United States, officials declared a national emergency, triggering travel bans for non-U.S. citizens and shutdowns nationwide. Now, many who lived through the pandemic, including those who treated infected patients, are still dealing with the fallout. Ali Rogin reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders