MIMM 413 Lecture : march 26 2012- dr. ndao.docx

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magentacricket108

15 May 2012

School

McGill University

Department

Microbiology and Immun (Sci)

Course

MIMM 413

Professor

Various

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Document Summary

The oocysts have 4 sporozoites that are released. When people are infected, therefore, they can be infected for life (especially those with hiv or immune suppression). There is only one compound approved by the fda, and it is very controversial. There is no definitive host (not host specific). People most at risk are the immune-suppressed, elderly and children. Keep this figure in mind: water born, anthropozonotic and zoonotic disease. Farm animals can release the oocysts into the environment. People say that the disease is also food borne; fruits and vegetables can be contaminated and infect people: parvum control. All research done is with oocysts multiplied in the cow. The best way to kill c. parvum in water is (hint) important (see slide before). Life cycle starts when people ingest oocysts containing 4 sporozoites. They are released inside the intestine, and they become trophozoites. They become type i merozoites, which are released.

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MEDICAL HISTORY (Hx)

The patient is a female, age 19. She was admitted to the hospital for prolonged diarrhea. The patient is an anthropology major attending school in Madison, WI. She is in a monogamous relationship and is sexually active. She is allergic to wasp and bee venom. She has a family history of Alzheimerâs disease. She lives with one roommate in student housing. She does not own any pets herself; however, she often cares for her roommateâs turtle (a red-eared slider). Over her most recent spring break, she took several short trips. First, she and her boyfriend went camping in the woods for a night. A few days later, she and her roommate spent six days in Cancun, Mexico, with several other friends. During the last few days of her trip, she began to feel unusually tired and occasionally nauseous, with abdominal cramping and increased flatulence. Following her return to the US, the frequency of her bowel movements increased from roughly once every day, to an average of four times a day. Also, her bowel movements have become loose, off-colored (pale), and occasionally watery. She has lost roughly 5 lbs since returning from her trip. Neither her roommate nor boyfriend has shown any signs of illness.

Select all conditions that could reasonably apply to your patient.

shigellosis

salmonellosis

typhoid fever

cholera or noncholera Vibrio infection

a form of bacterial gastroenteritis or bacterial-associated diarrhea

Helicobacter peptic ulcer disease

mumps

a form of hepatitis

viral gastroenteritis

mycotoxin or aflatoxin poisoning

giardiasis

cryptosporidiosis

Cyclospora diarrheal infection

amoebic dysentery

tapeworms

hydatid disease

nematode infection

Give a commen or replay

Nowadays it is very easy to acquire a disease or infection due to the amount of people and pollutants that we have around us. It is not possible to control everything we touch or eat and that is why there are many ways in which diseases can be transmuted.

A good example of this, it is how easy we can get the flu virus if somebody else has it. Also the bacteria that some people get because they eat or drink something contaminated.

A general control would be very difficult, because sometimes these infections become resistant to the antibiotics but I think that some ways to prevent many of these infections would be:

1- Vaccines.

2-Medical examination every 3 or 6 months.

3- Educate people about diseases and infections and how they can prevent them.

periwinklesea-lion695

Scenario: Tularemia outbreak in rabbits in a popularoutdoor recreational area: A few days before of a longholiday weekend, the local health department is notified that therehas been a large die-off of rabbits at a reservoir popular forcamping, swimming, boating, hiking, fishing and many other outdoorrecreational activities. It is expected that at least 10,000 peoplewill visit the area over the weekend. Upon investigation andsampling, the local health department confirms Tularemia is thecause. The affected area is adjacent to the swim beach, the RVpark, and main trail heads.

Question:

Provide a scholarly analysis of the zoonotic disease in theabove scenario, highlighting the unique attributes of this illness,and support why it is a public health concern. Explain thesituational background and why a public health response would bewarranted.
Describe the animal to human disease transmission process forthis scenario, considering the unique epidemiology andenvironmental health factors that influence this diseasetransmission. What challenges/barriers can you expect to face,given this information?
Cite the sources within your text and reference list at theend

redmammoth172

MIMM 413 Lecture : march 26 2012- dr. ndao.docx

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