A PROBLEM SHARED
Got a problem? Dr Ranj Singh is here to offer his advice
We’ve started using lateral flow tests for COVID at work. I’m a bit worried because someone told me they contain ethylene oxide, which is known to cause cancer. Is this true?
Paul, Ireland
Outfox the fever
Up until recently, the only way to diagnose someone with COVID was to do a PCR swab, where a swab of the nose and/or throat is used to pick up traces of coronavirus DNA. It is a highly sensitive test, but it can take several days to get a result.