Study of a Single Subcutaneous Dose of Pozelimab Produced From Two Different Manufacturing Processes in Healthy Adult Participants

Key Inclusion Criteria: * Has a body weight of 55 kg to 100 kg and a body mass index between 18 kg/m2 and 30 kg/m2 inclusive at the screening visit * Judged to be in good health based on medical history, physical examination, vital signs measurements, and ECG performed at screening and/or prior to administration of initial dose of study drug * Is in good health based on laboratory safety testing obtained at the screening visit. NOTE: Subject with a history of Gilbert's disease can be enrolled in the study * Willing to undergo vaccination against N meningitidis unless subjects have documentation of completed series of vaccinations within the past 2 years of the screening visit * Must have two negative COVID-19 tests within 7 days prior to study drug administration as defined in the protocol Key Exclusion Criteria: * History of clinically significant cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, psychiatric or neurological disease, as assessed by the investigator * Hospitalization (\>24 h) for any reason within 90 days of the screening visit * Has a confirmed positive drug test result at the screening visit and/or prior to enrollment; and/or a history of recreational drug use (eg, marijuana) and/or drug or alcohol abuse within a year prior to the screening visit * Is positive for HIV, hepatitis B, or hepatitis C antibody as defined in the protocol * Known or suspected COVID-19 disease * History of tuberculosis, systemic fungal diseases, or meningococcal infection * Known allergy or intolerance to penicillin class antibiotics or macrolides; any contraindication to azrithromycin per local prescribing information Note: Other protocol-defined Inclusion/ Exclusion criteria apply