Fixes radium not producing cures for virus2.

code/modules/reagents/Chemistry-Reagents.dm

@@ -927,6 +927,13 @@ datum
 			on_mob_life(var/mob/living/M as mob)
 				if(!M) M = holder.my_atom
 				M.apply_effect(2*REM,IRRADIATE,0)
+				// radium may increase your chances to cure a disease
+				if(istype(M,/mob/living/carbon)) // make sure to only use it on carbon mobs
+					if(M:virus2 && prob(5))
+						if(prob(50))
+							M.radiation += 50 // curing it that way may kill you instead
+							M.adjustToxLoss(100)
+						M:antibodies |= M:virus2.antigen
 				..()
 				return