Allergy testing specialist Omega Diagnostics said yesterday its profit had soared by 36 per cent to £1m in the year to 31 March. Revenue jumped by 41 per cent to £11m. Its allergy testing division grew turnover by almost a third to £4.5m, and its food intolerance kits put on 10 per cent growth to hit £3.9m in revenues. However its infectious disease division saw revenue dip by two per cent. The company said it was concentrating on markets in India China, Russia and Brazil for more growth.