This build assumes you are using [Reactive Storm] and a good amount of power strength, to [Reach] 100% status.

Because of [Reactive Storm]'s damage type adjustment you won't stack enough Corrosive hits to overpower the effect of a single Viral proc, unless you're taking this up against extremely high level enemies. Also Viral damage gets +75% damage against all Grineer troops (health DOES count in damage calculations, look it up). You're free to switch to Corrosive if you don't believe me though.