Inclusion Criteria:  Are overtly healthy males or non-pregnant females of childbearing or non-childbearing potential Have body mass index (BMI) within the range 18.0 to 32.0 kg/m2 (inclusive)  Exclusion Criteria:  Must not show evidence of active or latent tuberculosis (TB) Must not have received live vaccine(s) (including attenuated live vaccines and those administered intranasally) within 8 weeks of screening, or intend to during the study Must not have been treated with steroids within 1 month of screening, or intend to during the study Must not have had a serious infection, or have been hospitalized or have received IV antibiotics for an infection within 12 weeks prior to Day 1 Must not be immunocompromised Must not have received treatment with biologic agents (e.g. monoclonal antibodies, including marketed drugs) within 3 months or 5 half-lives (whichever is longer) prior to Day 1 Must not have clinically significant multiple or severe drug allergies, or intolerance to topical corticosteroids, or severe post treatment hypersensitivity reactions Must not have had lymphoma, leukemia, or any malignancy within the past 5 years except for basal cell or squamous epithelial carcinomas of the skin that have been resected with no evidence of metastatic disease for 3 years Must not have had breast cancer within the past 10 years Must not have significant allergies to humanized monoclonal antibodies