The claim
Lateral flow tests contain ethylene oxide and are a cancer risk
Rating
False - the tests are not harmful. The Department of Health and Social Care told us that while the chemical is used in gaseous form to sterilise test swabs, the amounts used are well within safety limits and are "rigorously tested and are safe to use on a regular basis".
Reviewed by BBC Reality Check ↗ ·
Original fact check ↗