Etiologic agent

Number

Percentage (%)

High molecular-weight agents

Vegetable textile dust

201

55.7

Cereals and flour

37

10.2

Hens duvets

4

1.1

Latex

4

1.1

Enzymes

4

1.1

coffee

2

0.6

Residues of olive oil extraction

2

0.6

Natural felt

1

0.3

Tobacco

1

0.3

Low molecular-weight agents

Organic Isocyanates

37

10.2

Wood and cork

18

5.0

Acrylic resins

6

1.7

Formaldehyde

6

1.7

Metal carbides

5

1.4

Cyanoacrylate

5

1.4

Heated rosin

5

1.4

Reactive dyes

5

1.4

Sulfites et bisulfites

4

1.1

Dichromates

4

1.1

Azodicarbonamide

3

0.8

Volatile acid anhydride

2

0.6

Vinyl chloride monomer

2

0.6

Aromatic amine

2

0.6

Aliphatic and alicyclic amines

1

0.3

Total

361

100