A Study to Learn How Different Forms of the Study Medicine Called PF-07976016 Are Taken Up Into the Blood in Healthy Adults

Key Inclusion Criteria:

• Overtly healthy as determined by medical evaluation including medical history,physical examination, laboratory tests, vital signs and ECG assessments.

• Willing to provide consent and follow study requirements

• Total body weight >110lbs (50kg)

Key Exclusion Criteria:

• Any condition affecting drug absorption, clinically significant laboratory values

• HIV, HepB & HepC

• Serious illness or hospitalization, or other condition, that may increase the riskof study participation or, in the investigator's judgment, make the participantinappropriate for the study.

• Use of prescription or non-prescription drugs within a specified timeframe prior tothe first dose of study intervention

• positive urine drug test at screening/admission

• History of alcohol abuse or repeated binge drinking and/or any other illicit druguse or dependence within 6 months of screening

• Use of tobacco/nicotine containing products more than the equivalent of 5cigarettes/day or 2 chews of tobacco/day