Food and Drug Administration, although we do not yet know whether the development of antibodies provides protection from re-infection, or how long such protection lasts, COVID-19 antibody testing may indicate whether "the person has been exposed to the virus and developed antibodies against it, which may mean that person has at least some immunity to the coronavirus." Antibody testing uses blood serum specimens and is sometimes referred to as serology testing
Philippou, A., Halapas, A., Maridaki, M., & Koutsilieris, M
Dermatologist, Aesthetic Physician, Hair Transplant Surgeon, MBBS, MRCGP (England), D.Derm (Pak), ECFMG Experience: 12 years Starting from Rs
Warren JW, Brown J, Tracy JK, Langenberg P, Wesselmann U, Greenberg P
Liposomal absorption mimics the body's natural digestive process