Antibody testing determines whether you had COVID-19 and now have antibodies against the virus. A test to diagnose COVID-19 determines if you currently have the disease. Here's what you need to know about coronavirus antibody testing. | | | THIS WEEK'S TOP STORY | |  | | | | COVID-19 (coronavirus) antibody test: What is it? | | Antibody testing determines whether you had COVID-19 and now have antibodies against the virus. A test to diagnose COVID-19 determines if you currently have the disease. Here's what you need to know about coronavirus antibody testing. | | |
| | | | FEATURED ARTICLE | | | | | Stool DNA test | | Learn about this noninvasive colon cancer screening test that can detect DNA changes in cells collected from a stool sample. | | |
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