Here's a breakdown:
* an-tee: like "anti" in "antibiotic"
* re-troh: like "retro" in "retrospective"
* vy-rul: like "viral" in "viral infection"
Here's a breakdown:
* an-tee: like "anti" in "antibiotic"
* re-troh: like "retro" in "retrospective"
* vy-rul: like "viral" in "viral infection"