'I'm sure I have Covid-19, but my test is negative'

With our bodies having been attuned and sensitised to the SARS-CoV-2 virus through immunisation, we may be experiencing symptoms even before the virus is at a high enough level to be detected by test kits. — TNS

With Covid-19 outbreaks being whipped up for a fifth year, testing has emerged as a source of frustration once again.

Whereas obtaining a test was often difficult in early 2020, now the abundance of cheaper rapid kits in grocery stores and home medicine cabinets has led to a new concern – they don’t seem to work.