Biological Pathways
| Category | Specific Measure |
| Anthropometry | Height and weight |
| ENT Measures | |
| nasal exam | Gross Mucosal Pathology, physician report |
| ear exam | Middle Ear Pressure |
| Immunity, Functional | Local (nasal) Cytokine Response to Challenge |
| Resting Biological Activity | |
| cardiovascular | Blood Pressure and Heart Rate |
| endocrine |
Catecholamines, 24-hour urine |
| Cortisol, salivary | |
| Creatinine, 24-hour urine | |
| metabolic | Body Temperature |
| Screening | |
| HIV Antibody | |
| Pregnancy Test | |
| Respiratory Virus Isolation | |
| Urinalysis | |
| Virology | |
| nasal secretions | Isolation and Confirmation of Challenge Virus in Nasal Secretions |
| serum | Baseline & Post-Challenge Virus-Specific Ab in Serum |