Statistics show that about ____ % of the people who work with laboratory animals develop allergic symptoms.

• A. 15
• B. 30
• C. 50
• D. 75

Answer: (B)

Working with laboratory animals exposes people to proteins found in dander, urine, and saliva, which can trigger allergic reactions. A commonly cited figure in LATG study materials is that about thirty percent of people who work with laboratory animals develop allergic symptoms at some point. This rate isn’t a fixed for every setting, but it represents a well-supported average that underscores why occupational allergy prevention and monitoring are important. The risk can vary with how much exposure, the species involved (rodents are a frequent source), and how well controls are used, but thirty percent is the typical benchmark used to illustrate how common these allergies can be. Lower figures like fifteen percent would understate the risk, while much higher figures like fifty or seventy-five percent would imply near-universal allergy, which isn’t supported by most data. Awareness of this risk informs protective measures such as proper PPE, engineering controls, good handling practices, and medical surveillance to catch symptoms early and reduce exposure.