over the last several weeks because the huge number of patients coming in. that has a big impact on the rest of the city. it's wall to wall stretchers. we have no capacity left at the hospital. >> reporter: the message from health care experts to get vaccinated and boosted also comes with a renewed push to limit the spread of the virus. and to alleviate long lines at testing sites across the country, you can now order free at-home coronavirus tests from the federal government online or by using a new hotline. >> people need a test immediately, we continue to encourage them to utilize one of the many testing options that are out there in addition to the website. 20,000 community-based testing sites nationwide, federal surge sites, dozens of which have opened in the last few weeks or online. >> reporter: and testing is such a big issue here in the city of atlanta, we saw those long lines especially around the holidays here and so for the atlanta public school district when they came back to in-person learning