Webbrowse a variety of at home health test kits at cvs, including at home dna tests, pregnancy tests, hiv tests, covid tests, and more at your local cvs pharmacy. An antigen is a substance that causes the immune system to react. It takes about 10 to 20 minutes to get the results of a rapid test. Webdec 16, 2022 · overview. How is strep throat diagnosed? How is strep throat treated? Are there tests you can use at home? How accurate are rapid strep tests? Webfrom strep tests and flu shots to sleep screenings and a1c checks, we offer everyday and chronic care. Ways we can help. You can also order them online at retailers like amazon,.