A Study to Assess the Relative Oral Bioavailability of a Single Dose of JNJ-63623872/Oseltamivir Fixed-dose Combination Tablet and Single Agent Concept Formulations of JNJ-63623872 Compared to Their Respective Reference Formulation in Healthy Adult Participants

Participants will receive JNJ-63623872 600 mg (2\*300 mg) oral tablets in Panel 1 and 2 under Fasted conditions.

Participants will receive Oseltamivir 75 mg (1\*75 mg) oral capsule (reference) in Treatment D of Panel 2 and Oseltamivir 75 mg administered as JNJ-63623872/37.5 mg Oseltamivir oral FDC tablet concept formulation (test 3) in Treatment E of Panel 2.