Study Evaluating Safety of Ragweed Mix Given by Intralymphatic Node Injections

Inclusion Criteria: * Between the ages of 16 and 65 years old * Seasonal Allergic Conjunctivitis (with or without Allergic Rhinitis) to ragweed pollen * Positive skin test reaction at screening visit to short ragweed extract * Avoid disallowed medications * Females of childbearing potential must have pregnancy test and must agree to use an acceptable method of birth control * Have blood and urine analysis within normal limits * Manifest a positive reaction to a conjunctival allergen challenge with ragweed pollen * Have a specific IgE ≥ 0.70 kU/L to short ragweed Exclusion Criteria: * Have ocular or nasal conditions that could affect subject safety or trial parameters * Have a presence of an active sinus, nasal, or ocular infections * Have had allergy immunotherapy to ragweed pollen * Have a compromised lung function ≤80% of predicted