Study Objectives:~1. Continue to collect and assess safety data on Q Fever Vaccine, Phase I, Inactivated, Freeze-Dried, NDBR 105, and 2) Provide vaccine that potentially protects personnel at risk for occupational exposure to Q Fever and collect data on incidence of occupational Q Fever infection (subclinical and clinical) in immunized personnel.
The purpose of this study is to evaluate the safety of Q Fever vaccine, NDBR 105, and collect data on incidence of occupational Q Fever infection in at risk personnel.