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INTRODUCTION
VX is very persistent as compared to other agents of chemical kind.ie. the agent will remain on ground level for 3-4 weeks.Due to this delayed effect, VX is even more hazardous than its G-class counterparts including Tabun and Sarin.
VX in the form of a gas is more lethal that of in liquid form.In a gaseous state, VX diffuses from a region of higher concentration to a region of lower concentration at an astounding rate.Therefore, it can easily diffuse into human skin or be inhaled, when a VX gas is sprayed with the aid of a aerosol cannister, that usually serves as the most cost-effective form of chemical agent delivery of this nature.
A casualty dosage of approximately 5mg-min/m3 causes symptoms like coughs,increased salival and nasal secretion to occur.As concentration of the VX agent increases in dosage, more severe symptoms arise, such as acute bronchoconstriction, gastro-intestinal induced nausea and higher rate of perspiration.These are the early signs of a victim being affected by VX gas poisoning.
Hence, it is crucial that he/she be sent to the intensive care unit ASAP as it takes at least 2-3 weeks (depending on dosage) for the patient to recover from the sublethal dose.Any longer may result in obvious death due to suffocation.How worse could it get for an asthmatic person!
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