| Secondary |
| Sjostedt |
| 1998 |
| Denmark |
| HMW |
| Animal-derived antigens |
| Laboratory animal allergen |
| Laboratory animal handlers (Includes cohort reported by Willers, 1992) |
| Occupational asthma, rhinitis |
| Redesign of animal stables, filter top cages, installation of ventilation airflow systems, education and training, personal protective devices (7 years) |
| 35 of 51 eligible subjects (Participation rate: 69%) |
| No subjects developed additional positive skin prick test to laboratory animals. Sensitized workers at baseline were more likely to have stopped working than non-sensitized workers. Subjects sensitized to laboratory animals had a minor increase in airway responsiveness at follow-up (p=0.03). |
