Table 1. Animal grouping and treatments.

Neonatal & Adult Groups	Description of Treatment
Group 1	Infected, Sensitized with Ova & Challenged
Group 2	Uninfected, Sensitized with Ova & Challenged
Group 3	Infected, No Sensitization & No Challenge

Sensitization and subsequent challenge with Ova albumin is required to induce allergic airway disease.