A Study to Assess the Effect of Ritonavir on the Single-Dose Pharmacokinetics of JNJ-61393215 in Healthy Participants

Exclusion Criteria

• •Participant has any clinically significant abnormal findings in physical examination, vital signs or 12-lead ECG \[including QT corrected according to Fridericia's formula (QTcF) greater than (\>) 450 milliseconds (msec) and less than or equal to (=\<) 470 (milliseconds) msec for females, Left Bundle Branch Block, atrioventricular (AV) Block second degree or higher, permanent pacemaker or implantable cardioverter defibrillator (ICD)\] at screening or admission (up to Day 1 predose), which in the opinion of the investigator are not appropriate and reasonable for the population under study
• •Participant has a history of or current liver or renal insufficiency, significant cardiac, vascular, pulmonary, gastrointestinal, endocrine, neurologic, hematologic, rheumatologic, psychiatric, or metabolic disturbances, any inflammatory illness or any other illness, though minor deviations, which are not considered to be of clinical significance to the investigator, are acceptable
• •Participant has any liver function test (including alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyltransferase (GGT), alkaline phosphatase (ALP) and bilirubin at screening \>1.5 \* ULN (upper limit of normal)
• •Participant has estimated glomerular filtration rate (eGFR) less than (\<) 60 milliliter per minute per 1.73 square meter (mL/min/1.73m\^2) at screening (provided by the local laboratory)
• •Participant has a history of hepatitis B surface antigen (HBsAg) or hepatitis C antibody (anti HCV) positive, or other clinically active liver disease, or tests positive for HBsAg or anti-HCV at screening