Whether one has long-term immunity to COVID-19 after recovering from the virus is unclear amid a lack of scientific evidence. Still, antibodies might be the key to develop a vaccine and prevent virus reinfection.

Two Northwest Arkansas companies have developed tests to detect the presence of virus antibodies. Fayetteville-based Namida Lab Inc. has offered antibody, or serology, tests since May. Springdale-based NOWDiagnostics Inc. has developed a 15-minute antibody test approved for clinical use in Europe while awaiting emergency use approval from the U.S. Food and Drug Administration.

https://talkbusiness.net/2020/11/antibodies-might-provide-lasting-covid-19-resistance/

Antibodies might provide lasting COVID-19 resistance - Talk Business & Politics
Whether one has long-term immunity to COVID-19 after recovering from the virus is unclear amid a lack of scientific evidence. Still, antibodies might be the key to develop a vaccine and prevent virus reinfection. Two Northwest Arkansas companies have developed tests to detect the presence of virus antibodies. Fayetteville-based Namida Lab Inc.