waterborne disease background | waterborne disease background | waterborne disease background | Bioterrorism | Bioterrorism |
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Specific agent- scombrotoxin (histamine like toxins)
reservoir- fish that have been held at room temperature forming toxic histamie in muscle, molk from cows pastured on snake foot symptoms- headache, burning mouth, nausea, vomiting, diarrhea, tingling of fingers, fever, cramps incubation period- several minutes to 1 hour
Scombroid fish poisoning
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non-community water systems
Waterborne diseases in the U.S. occur more frequently in _________________ water
systems. |
water quality sampling-bacteriological, chemical, and radio logical this would also include turbidity and residual chlorine, supervision of operation, maintenance, and use of approved state, utility, and private lab services, cross connection control and bottled bulk water safety
What are the EPA recommendations for a minimum state regulatory program
regarding the surveillance of a public water supply? |
is a disruptive and health-threating event directed at an individual, group, community, or at large population within a nation and is intended to release of a highly virulent biological agent.
Bioterrorism-
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small pox, anthrax, plague
List three Category A Agents
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miasma
prior to the 19th century, civilization regarded the onset of infections being caused commonly called
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sewage
Drinking water contaminated with ______________________ is the principle cause
of waterborne diseases. |
physical watch on the treatment system against unlawful entry, with the intent to disrupt or compromise treatment operations and goal of producing quality water.
What is involved in the security of water treatment facilities?
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a microorganism or a biologically synthesized toxin that causes disease in a man, plants, or animals.
Biologic Agent-
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Q fever, brucellosis, glanders
List three Category B Agents
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he was a physician who investigated two asiatic cholera epidemics in london. Most famous was the pump handle that when removed the epidemic was brought under control, he was considered the epidemiological giant of his time.
who was john snow and what was his role in the cholera epidemic of 1849 and 1854
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18 plus months
Cryptosporidium oocysts can survive in surface water at 4 0C for ________ months
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africa, asia, and south america
Schistosomiasis is largely endemic to ________________, _______________, and
__________________. |
1346, the Mongols used catapults to hurl the corpses of their dead soldiers, riddled with plague, over the walls in Kaffa, currently Theodosia.
In 1422, attack of the sweds by Russians. In 1710, where upon corpses were catapulted over the city walls of Reval (Tallinn)
Describe some of the earliest attempts of bioterrorism is the 14th, 15th and 18th
centuries. |
nipah virus, hantaviruses, and tick borne hemorrhagic fever
List three Category C Agents
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german physician who succeeded in isolating culturing the cholera bacillus from stools of advanced cholera patients. He proved that there was a relationship between polluted water and the disease.
What role did Robert Koch play in the study of cholera in the 1880s?
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1.source water protection
2.water treatment plant processes 3.disinfection practices 4.distribution systems, 5.security 6.education
What are the six barriers of a multiple barrier plan of water treatment to ensure the
safety of the consumer? |
fresh water snails
Schistosomiasis is spread by freshwater __________________________.
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1. be readily available
2. be easy to produce on large scale 3. be highly virulent for lethal purposes 4. be at appropriate size for distribution by aerosolization and by victims. 5.be easy to disseminate by available means 6.be environmentally stable 7.be dispersible in a way that targeted individuals, not terrorists, suffer intended affects
The selection of an agent to be used in an act of terrorism should satisfy seven
properties. What are they? |
since the eradication of smallpox in 1977 the immunization for it has halted. individuals not vaccinated, mostly everyone, since 1977 would at risk from a bioterrorism attack.
Discuss the possibility of smallpox as a viable bioterrorism tool.
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viral gastroenteritis, infectious hepatitis A, and giardiasis/cryptosporidiosis
Water treatment, specifically the application of disinfectant, has practically
eliminated many of the traditional waterborne diseases in developed countries, However waterborne diseases such as; ___________________, _______________ and _______________________ still occur. |
physical watch on the treatment system against unlawful entry, with the intent to disrupt or compromise treatment operations and goal of producing quality water.
What do security concerns of a water treatment system take into account?
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300 million
It is estimated that there are more than __________________ cases or more
annually of schistosomiasis and the number is expected to increase. |
Category A- high level priority for preparedness
Category B-agents have a need for improved awareness, surveillance measures and lab diagnosis Category C-Agents have a need for continued review of potential threat to the public
Explain the difference between a Category A, B, and C Agents as it relates to
bioterrorism. |
are illness due to specific infectious agent or its toxic products. They arise through transmission of that agent and it products from an infected person, animal, or inanimate reservoir to a susceptible host, either directly or indirectly through an intermediate plant or animal host, vector, or the inanimate environment
Define Communicable Disease and describe how communicable diseases are
transmitted. |