A Study Exploring the Use of Vaccine and Antigen Challenges for Immune Monitoring in Healthy Participants

Inclusion Criteria: * Have a body mass index (BMI) between 18 and 30 kilogram per square meter (kg/m\^2) (BMI = weight/height\^2), inclusive, and a body weight of no less than 50 kilogram (kg) * Healthy on the basis of physical examination, medical history, vital signs, and 12-lead electrocardiogram (ECG) (for Cohort 3) performed at screening. Any abnormalities, must be considered not clinically significant and this determination must be recorded in the participant's source documents and initialed by the investigator * Healthy on the basis of clinical laboratory tests performed at screening. If the results of the serum chemistry panel, blood coagulation, hematology, or urinalysis are outside the normal reference ranges, the participant may be included only if the investigator judges the abnormalities or deviations from normal to be not clinically significant. This determination must be recorded in the participant's source documents and initialed by the investigator * Must sign an informed consent form (ICF) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to participate in the study * All women must have a negative highly sensitive serum (Beta-human chorionic gonadotropin \[Beta-hCG\]) pregnancy test at screening and a negative urine pregnancy test predose on Day 1 Exclusion Criteria: * History of any type of immunodeficiency or autoimmune disease or disease treatment associated with immune suppression or lymphopen…