About what percentage of people who work with laboratory animals develop allergic symptoms to the animals?

The correct choice reflects a significant concern within the field of laboratory animal care, as studies indicate that around 44% of individuals who work closely with laboratory animals experience allergic symptoms. This high percentage highlights the importance of awareness and management of allergies in professionals working in this environment.

Allergic reactions can stem from various factors, including exposure to animal dander, urine, saliva, and bedding materials. Given this prevalence, organizations often implement measures to reduce exposure, such as improved ventilation, use of personal protective equipment, and allergen management strategies.

Understanding this percentage is crucial as it underscores the need for training and preventive measures in animal husbandry to ensure the safety and well-being of both the personnel and the animals involved in research.