NHS workers are currently tested for HIV at the start of their career.
Anyone going into a job that could expose patients to potential risk is also tested.
Staff are obliged under professional codes of conduct to have a further test if they think they may have been exposed to HIV, but this is not legally enforced.
More top news
A four-year-old boy is among 20 people to have died in some of the worst flooding West Virginia has seen.
The heavy showers will ease off this weekend.
Labour MPs are attempting to build a consensus for a single challenger to Corbyn, while the big game in the Tory Party is Stop Boris.