According to this report, those symptoms are a little far-fetched, but it also says it's never been tested on a human.
How it works: Similar to sarin, it disrupts the functioning of nerves that control breathing. The victim dies of suffocation when the diaphragm fails
to expand and contract. Unlike any other biological or chemical weapons, VX can kill simply by touching the skin.
Deadly Amount: One milligram can kill a person
Previous Uses: Never been used before, except on research animals.
Symptoms: Increased salivation, coughing, runny nose, headache and nausea.
Delivery: Artillery shells, bombs and land mines.
Prevention: Gas masks, skin covered by thick clothing.
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