Multi-select problem: How does the next paragraph end?

How to use ivermectin
Use ivermectin against certain worms.
Ivermectin is the drug of choice against several different kinds of worms. The two most common worms treated by this medication are strongyloides stercoralis and onchocerca volvulus.

Choices:
+ Strongyloides sterandrinds are considered normal doses for severe cases of parasites that might have been avoided with the medication. Onchopropyl methylcellulose is also an additive to this medication..
+ Strongyloides stercoralis: this worm is prevalent in northern parts of the united states and canada. It is found on soil and prefers warm humid conditions..
+ Strongyloides steroid drugs target the stomach lining-doing this provides minimal blockage, with the rotation of the worm and lowering serotonin, which therefore reduces the digestive process in the worm. Learn about the other drugs that were shown to work..
+ Strongyloides are those that are found within worms and then paste a barrier barrier to prevent the worm from entering their eggs. Strongyloides stercorindermoids are injected into the worm once every 12 to 36 months..
Strongyloides stercoralis: this worm is prevalent in northern parts of the united states and canada. It is found on soil and prefers warm humid conditions.