SA recently hit the milestone of having tested one million people for Covid-19.

This is no mean feat in a country with a strained health system, as well as the broader context of a pandemic in which reagents used in the PCR test kits are in short supply.

But we can only hope that the far simpler antibody tests become more reliable and, eventually, readily available, because these rapid diagnostics could be far more useful to track and control community spread...