Wednesday, April 25, 2007

1. Disease: Campylobacteriosis is a disease caused by bacteria Campylobacter Jejuni. Symptoms of Campylobacteriosis include fever, diarrhea, cramping, abdominal pain and vomiting. The transmission of the Campylobacter Jejuni bacteria is most often through the handling of infected raw poultry, or the consumption of raw uncooked or partially uncooked poultry.

Reason: As the 85 year old man is living alone, he has to do all the housework himself. This includes preparing and cooking his own meals. He may have mishandled the preperation of the poultry meat or not cooked it thoroughly before eating it. Thus leading to him being infected with Campylobacteriosis.

Sources: >Campylobacteriosis>Disease Listing, Campylobacter, General Information >Campylobacteriosis

2. Disease: Allergic reaction. Pet allergy is provoked by the fur of cats and dogs. Researchers have found that the major allergens are proteins secreted by oil glands in the animals' skin and shed in dander as well as proteins in the saliva, which sticks to the fur when the animal licks itself. Urine is also a source of allergy-causing proteins. When the substance carrying the proteins dries, the proteins can then float into the air. Cockroach calyx and dust mite excretion will also cause allergy leading to rashes.

Reason: He had contact with animals and spend time with them(feeding) thus the fur, urine and saliva of the animals caused the rash on the old man. As his living conditions was poor ( premise was infested with cockroach, fleas), cockroach calyx and dust mite excretion caused the rashes on him.

Sources: >symptom search>rash >animal allergies

3. Disease: Murine Typhus is a disease caused by the microorganism Ricketssia Prowazekii, the microorganism can be spread by rats, fleas, dogs and cats. Poor hygiene contributes highly to the spread of this disease. As shown by the feces and urine on the mattress.

Symptoms: Headache, chills, fever, prostration, confusion, photophobia, vomitting, rash (generally starting on trunk).

Source: >traveller's health> Search> Ricketssial Infection> CDC -yellow book: [4] Ricketssial Infections- CDC traveller >search> murine Typhus>

4. Disease: Lyme Disease is a disease caused by the bacteria Borrelia Burgdorferi, humans can get infected by being bitten by infected ticks found on animals, such as rats and mice.

Symptoms: skin rash, fever, headache, muscle pain, stiff neck and swelling of he joints
.Source: > Search > Lyme> DVBID homepage:CDC Lyme disease > search> lyme> lyme disease

5. Salmonellosis is a bacterial disease caused by the bacterium Salmonella. Many different kinds of Salmonella can make people sick. Usually, people get salmonellosis by eating contaminated food, such as chicken or eggs. However, animals can carry Salmonella and pass it in their feces (stool). Therefore, people can also get salmonellosis if they do not wash their hands after touching the feces of animals.Dogs, cats, birds (including pet birds), horses, and farm animals can also pass Salmonella in their feces. A person's age and health status may affect his or her immune system, increasing the chances of getting sick.

Symptoms: Most people have diarrhea, fever, and stomach pain that start 1 to 3 days after they get infected.

Source: >search > Salmonellosis > 2nd link.

Possible List of Diseases
Murine Typhus *
Rat Bite Fever
Leptospirosis *
Trichinellosis *
Campylobacteriosis *
Lyme Disease
Plague(Black Death)
Salmonellosis *
Typhoid Fever

* - denotes 1 of the 5 shortlisted disease...

MMic Tutorials 1 to 4: A Stimulated Case

A 85 year old male was found to be staying alone in one-room flat. It is found that his mattress was soiled with human excreta and urine. The premise is infested with cockroaches, fleas and rats. It is known to the neighbors that the elderly man has the habit of feeding stray dogs and cats in the neighborhood.

The elderly man was referred to a nursing home and presented with high fever, rash and general weakness.

How would you approach this situation in order to provide final diagnosis of the suspected microorganisms?


Our Expectations...

As a group we aim to be the best. Outdo everyone, be the leader of the pack... In other words "ULTIMATE SUPREMACY!!!"

As group members we aim to help each other overcome our individual weaknesses, sharing information and experiences that we may garner throughout the course of the academic year.
Starting from today: members of the group will work with this mantra:
"Aim for the stars, even if you miss you'll hit the moon".

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