A drug (RO7890597), alone or with other medicines, in healthy volunteers

You may qualify if

• Agreement to adhere to the contraception requirements.
• Body mass index of 18 to 30 kilograms per square meter (kg/m²).

You can't join if

• Pregnant, breastfeeding, or intending to become pregnant during the study or required contraception period.
• Treatment with investigational biologic therapy within 90 days or 5 elimination half-lives, whichever is longer, before study drug initiation.
• Treatment with investigational non-biologic therapy within 28 days or 5 elimination half-lives, whichever is longer, before study drug initiation.
• Treatment with immunosuppressive medication within 28 days or 5 elimination half-lives, whichever is longer, before study drug initiation.
• Treatment with any vaccine within 14 days prior to initiation of study drug, or within 28 days for a live or live attenuated vaccine.
• Poor peripheral venous access.
• Major surgery within 28 days before study drug initiation or planned major surgery during the study.
• Current infection or recent infection requiring antibiotics as defined in the protocol.
• History of malignancy within 5 years before screening, except for specified adequately treated cancers.
• History of clinically significant drug or food allergy.