Inclusion Criteria:  Healthy subjects Body weight of ≥60 and ≤100 kg for male and ≥50 and ≤100 kg for female and a BMI between 18.5 and 28.0 kg/m2 (both inclusive) when rounded to the nearest tenth  Exclusion Criteria:  A medical history and/or condition that is considered significant Clinically significant allergic reactions, hypersensitivity History or current infection of hepatitis B virus, hepatitis C virus, human immunodeficiency virus, or syphilis Active or latent Tuberculosis History of malignancy Previous exposure to tocilizumab or any drug that targets IL-6