Any clinical significant illness

History of alcohol abuse

Use of prescription or nonprescription drugs and dietary and herbal supplements within 7 days prior the first study dose

Abnormal clinical lab tests: aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin, estimated glomerular filtration rate (eGFR)

Abnormal vital signs, such 12-electrocardiogram (ECG), blood pressure and pulse rate

Blood donation within 60 days

History of human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg), hepatitis B core antibody (HBcAb), hepatitis C antibody (HCVAb)

Other medical or psychiatric may inappropriate for the study

A Study to Learn About the Study Medicine PF-07321332 and Ritonavir in Adult Healthy Chinese Participants.

What this study is about