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File: 950901_091634ja_91d.txt
Iraqi Report
Filename:091634ja.91d
Subject: Iraqi Report
FROM: DIRAFMIC FT DETRICK MD //AFMIC-S&TI//
TO: USCINCENT //CCJ2//
PASS TO [ (b)(6) ]
1. [ (b)(1) sec 1.3(a)(4) ] THE IRAQIS HAVE
DEVELOPED
A PILL THAT COULD BE PUT INTO THE DRINKS OF US PERSONNEL WHICH
COULD CAUSE DEATH IN ABOUT 15 DAYS. IT IS IMPOSSIBLE WITH THE
INFORMATION PROVIDED TO STATE WITH ANY DEGREE OF CONFIDENCE THE
IDENTITY OF THE AGENT IN QUESTION AND ITS ANTIDOTE. BASED ON THE
INTELLIGENCE THAT IS AVAILABLE TO DATE, THE FOLLOWING AGENTS ARE
CONSIDERED AS POSSIBLE CANDIDATES.
2. CHOLERA TOXIN IS A WATER SOLUBLE PROTEIN (MW 82-84,000
DALTONS). THE ORGANISM COULD RE PUT INTO A WATER BASED BEVERAGE.
THE CHOLERA WOULD THEN INVADE THE INTESTINE WHERE THEY WOULD
PRODUCE THE TOXIN. DIARRHEA, SHOCK AND DEATH CAN ENSUE.
MORTALITY RATE MAY BE AS HIGH AS 60 PERCENT BUT CAN BE REDUCED TO
LESS THAN 1 PERCENT BY IV REPLACEMENT OF FLUID. CHLORPROMAZINE IS
USED FOR TREATMENT. DISEASE LASTS A FEW DAYS. MOUSE LD 50 (1P)
IS ABOUT 250 MICROGRAMS PER KG. IT IS GENERALLY FELT THAT
MEAT-EATING AMERICANS ARE LESS SUSCEPTIBLE TO CHOLERA THAN ARE
INDIVIDUALS FROM OTHER LESS WELL-FED COUNTRIES. DUE TO ITS RAPID
ONSET AND LOW MORTALITY RATE IN WESTERNERS- CHOLERA PROBABLY IS
NOT A GOOD CANDIDATE FOR THE CONDITIONS DESCRIBED.
3. STAPHYLOCOCCAL ENTEROTOXINS ARE HEAT STABLE AND WATER
SOLUBLE. AFTER INGESTION, SYMPTOMS (VOMITING AND DIARRHEA)
APPEAR IN ABOUT 1-6 HOURS. STAPHYLOCOCCAL ENTEROTOXIN B (SEB)
TOXICITY BY THE ORAL ROUTE FOR MONKEYS IS ABOUT 2-9 MICROGRAMS PER
KG. SYMPTOMS RARELY LAST FOR LONGER THAN 24 HOURS. DEATH IS RARE
AFTER ACCIDENTAL INGESTION. SEB ALSO WOULD NOT BE A GOOD
CANDIDATE FOR THE SCENARIO DESCRIBED BECAUSE OF ITS LOW MORTALITY
AFTER
INGESTION.
4. BOTULINUM TOXINS ARE WATER SOLUBLE AND THE HUMAN ORAL LDSO
IS ABOUT 0.4 UG. ONLY 1 IN 100,000 PARTS OF ORALLY ADMINISTERED
ROTULINUM TOXIN GETS INTO THE CIRCULATION. TIME TO DEATH IS
ESTIMATED TO RANGE FROM 0.6 TO 4.5 DAYS. BOTULINUM TOXIN WOULD BE
- A GOOD AGENT FOR USE IN POISONING WATER SUPPLIES -- WATER
BLADDERS, BULK WATER SUPPLIES (OR SOFT DRINKS) BEFORE BOTTLING, OR
WATER MAINS RELATIVELY SMALL AMOUNTS OF TOXIN WOULD BE NEEDED-
IT WOULD BE 0DORLESS, TASTELESS, AND COLORLESS, AND QUANTITIES OF
TOXIN NEEDED WOULD BE EASY TO CONCEAL. NEVERTHELESS- DEATH WOULD
ENSUE BEFORE THE 15 DAY TIME PERIOD SPECIFIED. THEREFORE,
BOTULINUM TOXIN PROBABLY WOULD NOT BE USED IF A LONGER TIME TO
DEATH WERE REQUIRED.
5. CLOSTRIDIUM PERFRINGENS HAS BEEN REPORTED AS ONE OF THE
AGENTS THE IRAQIS HAVE BEEN INVESTIGATING AS WARFARE AGENTS. THE
ALPHA TOXIN PRODUCED BY CLOSTRIDIUM PERFRINGENS IS AN ENZYMES
(LECITHINASE) AND WOULD PROBABLY BE DENATURED IN STOMACH ACIDS.
THESE TOXINS ARE HEMOLYTIC, DERMONECROTIC AND LETHAL. HOWEVER,
THERE IS LITTLE INFORMATION IN THE LITERATURE REGARDING ORAL
POISONING BY THIS TOXINS PROBABLY BECAUSE SUCH EVENTS OCCUR RARELY
IF AT ALL. HOWEVER, THE INGESTION OF THE ORGANISM AND SUBSEQUENT
PRODUCTION OF TOXIN IN THE GUT MIGHT PRODUCE DEATH. THIS CANNOT
BE
STATED WITH CONFIDENCE. PERFRINGENS TOXIN IS NOT CONSIDERED TO GE
A GOOD CANDIDATE FOR THIS SCENARIO.
6.[ (b)(1) sec 1.3(a)(4) ] THE IRAQIS WERE USING THALLIUM TO
ASSASSINATE POLITICAL ENEMIES BY ADDING IT TO THEIR FOOD OR DRINK.
I DON'T KNOW HOW GOOD THEIR INFORMATION IS, BUT THIS INFORMATION
IS ALSO REPORTED [ (b)(1) sec 1.3(a)(4) ]
THALLIUM CAN BE ABSORBED THROUGH THE SKIN OR
FROM THE GASTROINTESTINAL TRACT. ESTIMATED LETHAL DOSE IN HUMANS
IS 8 TO 12 MG/KG- FOR A 70 KG MAN, THIS WOULD CALCULATE TO
560-840 MG PER MAN. THIS IS ALMOST A GRAM AND MAY BE DIFFICULT TO
PUT INTO A SINGLE DRINK. IF A QUANTITY WERE PUT IN FOOD OR WATER
SUPPLIES ON A REGULAR BASIS, IT WOULD NOT BE HARD TO ACHIEVE DEATH
IN A SHORT TIME. SYMPTOMS ARE USUALLY DELAYED 12 TO 24 HOURS IN
ACUTE POISONING, THE GASTROINTESTINAL TRACT AND NERVOUS SYSTEM
MOST OFTEN SHOW THE FIRST SIGNS OF POISONING. NEUROLOGICAL
SYMPTOMS OCCUR AT 2-5 DAYS WITH DEATH IN 5-7 DAYS IN LETHAL
INTOXICATIONS. IN MAN, FATTY INFILTRATION AND NECROSIS OF THE
LIVERS NEPHRITIS, GASTROENTERITIS, PULMONARY EDEMA, DEGENERATIVE
CHANGES IN THE ADRENALS AND DEATH HAVE BEEN REPORTED AS A RESULT
OF LONG TERM THALLIUM INTAKE.
7. THE MOST RELIABLE TEST FOR THALLIUM IS A 24 HOUR URINE
QUANTITATIVE ASSAY. TREATMENT CONSISTS OF EMESIS INDUCTION IN
RECENT SUBSTANTIAL INGESTION, ADMINISTRATION OF CHARCOAL SLURRY,
AQUEOUS OR MIXED WITH SALINE CATHARTIC OR SORBITOL. USUAL DOSE
IS
30-100 GRAMS IN ADULTS AND 15-30 GRAMS IN CHILDREN. PATIENT'S
CARDIAC, RENAL AND HEPATIC FUNCTIONS, AND CALCIUM LEVELS SHOULD
BE
MONITORED DURING THE ACUTE PHASE. THERAPY WITH
DIETHYLTHIOCARBAMATE IS CONTRAINDICATED.
8. THALLIUM IS ODORLESS, TASTELESS, AND COLORLESS AND WOULD
NOT BE EXPECTED TO BE DETECTED BY THESE SENSES IN LIQUIDS OR FOOD.
9. BASED ON INTELLIGENCE AND THE TECHNICAL DATA, THALLIUM
IS THE MOST LIKELY AGENT TO BE USED IN THE STATED SCENARIO.
10. SINCE THALLIUM IS A CHEMICAL AGENT, INFORMATION ABOUT
ITS THREAT POTENTIAL SHOULD BE SOLICITED FROM [ (b)(6) ] AT
FOREIGN SCIENCE AND TECHNOLOGY CENTER (FSTC) IN CHARLOTTESVILLE-
VA. AFMIC RESPONDS TO QUESTIONS REGARDING
SYMPTOMATOLOGY, TOXICOLOGY AND TREATMENT OF CHEMICAL AGENTS.
11. [ b.2. ] AND [ (b)(6) ]
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