A comparison of rapid point-of-care serology tests using finger prick and venous blood was done on 278 participants. In a laboratory setting, immunoglobulin G (IgG) sensitivity neared 100%; however, IgG sensitivity dramatically dropped (82%) in field testing. Possible factors include finger prick volume variability, hemolysis, cassette readability, and operator training.
Keywords: COVID-19; diagnostic microbiology; public health; rapid point-of-care test; serology.
© The Author(s) 2021. Published by Oxford University Press on behalf of Infectious Diseases Society of America.