Yes. To see if someone has an active infection, you want an antigen test. To see if someone had an active infection in the past, you want an antibody test. More

Yes. To see if someone has an active infection, you want an antigen test. To see if someone had an active infection in the past, you want an antibody test. More info at https://www.cnet.com/how-to/coronavirus-testing-what-to-know-about-antibody-tests-antigens-and-serology/ https://www.cnet.com/how-to/coronavirus-testing-what-to-know...