translate English to French: Four in ten (42 per cent) have not been tested in the past two years, while a similar number (38 per cent) have been tested once in the past two years, and 18 per cent have been tested two times or more.
Quatre sur dix de ces personnes (42 p. 100) n'ont pas subi de test dans les deux dernières années tandis que quatre sur dix (38 p.