enum eAgents

Name	Value
`CHOLERA`	`1`
`INFLUENZA`	`2`
`SALMONELLA`	`4`
`BRAIN`	`8`
`FOOD_POISON`	`16`
`CHEMICAL_POISON`	`32`
`WOUND_AGENT`	`64`
`NERVE_AGENT`	`128`
`HEAVYMETAL`	`256`
`SILICOSIS`	`512`
`EYES_IRRITATION`	`1024`