 Urine dipstick: negative or trace protein Negative urine glucose Complete blood count: WBC, hemoglobin and neutrophil count within normal limits SGPT ALT and alkaline phosphatase within normal limits Blood urea nitrogen BUN, creatinine within normal limits Nonreactive ELISA for HIV-1 Negative HCV-Ab Negative HBSAg Negative nasopharyngeal a nose and throat swab culture for S. pneumoniae 