Antibody tests may show who is immune to the virus. It said the producer agreed to replace the returned tests and another 582,000 tests ordered with kits that would meet requirements. Many scientists have been cautious, saying it's unclear if the rapid tests provide accurate results. Experts worry that the rapid tests may be significantly less reliable than the more time-consuming method. Spanish scientists said the rapid tests for coronavirus they reviewed were less than 30 per cent accurate.

Source: Stuff March 28, 2020 22:07 UTC