COVID-19 laboratory testing issues and capacities as we transition to surveillance testing and contact tracing

As of May 19, 2020, 11,834,508 COVID-19 tests have been performed in the US resulting in 1,523,534 (12.9%) confirmed cases [1]. The actual number of infected Americans is much larger. Antibody seroprevalence testing in Santa Clara County, California, estimates those infected between 2.49% –4.16% implying actual infections 50–85-fold larger than confirmed cases [2]. Another study concluded that undiagnosed COVID cases represent the infection source of 79% of documented cases [3]. Accurate testing will be crucial to controlling and understanding this pandemic.
Source: The American Journal of Emergency Medicine - Category: Emergency Medicine Authors: Source Type: research