Solution: We are tasked with finding the number of unique test combinations consisting of 3 distinct viral strains chosen from 7 and 2 antiviral compounds chosen from 8. Since the choices are independent, we compute the product of the combinations:

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**Why Tracking Viral Strains + Antiviral Combinations Matters in 2025** In an era shaped by emerging health challenges and rapid scientific innovation, the concept of testing viral strain-antiviral pair combinations has gained meaningful attention across the United States. With evolving pathogens and precision medicine driving healthcare decisions, understanding how many unique testing groupings exist helps scientists, clinicians, and health-focused innovators plan effectively. Recent data shows increasing interest in combination therapies—not just for viral infections but also as models for drug development pipelines. The question now is: how many distinct combinations are actually possible, and why does this matter? **The Growing Interest in Viral-Strain-Pair Testing** Increased public awareness—fueled by ongoing global health surveillance and evolving pandemic preparedness efforts—has sparked curiosity about how different viral strains interact with antiviral treatments. When researchers study more than one strain paired with multiple compounds, they lay groundwork for smarter, more targeted interventions. While no single finding captures the full complexity of disease dynamics, calculating combinations reveals hidden insights about experimental approaches and resource planning.