Our new lab-based serology test detects the antibody, IgG, that identifies if a person has had COVID-19.

Antibody testing provides more understanding of the virus, including how long antibodies stay in the body and if they provide immunity: https://t.co/1GpMRKakpz pic.twitter.com/ZkJdKp6g40

— Abbott (@AbbottNews) April 16, 2020