bacteri/o, vir/o

bacteri/o means bacterium and vir/o means virus (Greek/Latin).

"bak-TEER-ee-oh / VEER-oh." Coach: "These roots tell you which kind of microbe is involved."

Examples: bacterium, bacterial, bacteremia, bacteriology, antibacterial.

Also: bactericidal, bacteriuria, virus, viral, viremia, virology, antiviral.