Table IV.

Type 1 allergy tests 2013

Open application and patch test	HR test to carpet extracts
31 workers* were tested with open application of carpet extracts	19 workers with urticaria or rhinitis symptoms were examined with HR test**
4 of these reacted with a positive flare and went on to prick test
2 of these reacted positive to carpet extracts from Bank of Greenland

^*All workers except one who was pregnant.

^**4 of these had a positive HR test to carpet extracts, 2 to carpet extracts from Bank of Greenland and 2 to carpet extracts from TDC; No overlap between the 4 workers responding to open application and the 4 workers with positive HR test.