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Old 06-21-2014, 07:53 PM
 
31,468 posts, read 14,559,147 times
Reputation: 8348

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Quote:
Originally Posted by LordBalfor View Post
Yeah, FEAR MONGERING.

"...There are three basic cycles of transmission for T. cruzi. In the sylvatic (wild) cycle, this organism cycles between wildlife and triatomine insects that live in sylvatic environments. Humans and domesticated animals are infected occasionally when they contact these bugs in the wild. Under some conditions, the insects may also invade houses or outbuildings when they are attracted to light, heat or certain odors, and may contaminate food. Wild triatomine insects can also be transported accidentally to human houses. The sylvatic cycle is responsible for relatively few cases of Chagas disease. It is the only cycle in the U.S...

...T. cruzi is not spread between mammals by casual contact; however, it can be transmitted directly via blood (e.g., in a blood transfusion) and in donated organs. Carnivores can acquire this organism when they eat infected prey. Vertical transmission has been reported in dogs and other animals, both in utero and in the milk. Transmission in milk is very rare in humans, but transplacental transmission can occur at each pregnancy, and during all stages of infection. Laboratory infections usually occur when the parasites contact mucous membranes or broken skin, or are accidentally injected via needlestick injuries, but aerosol transmission might be possible in this setting."

Again, it's a disease that's NOT easily transmitted between people.
Can it happen?
Sure.
Is it LIKELY?
Nope - not at all.
"Possible" is not the same as "Likely".

http://www.cfsph.iastate.edu/Factshe...s_american.pdf

"
...In the United States and in other regions where Chagas disease is now found but is not endemic, control strategies should focus on preventing transmission from blood transfusion, organ transplantation, and mother-to-baby (congenital transmission).

....How do people get Chagas disease?

People can become infected in various ways. In Chagas disease-endemic areas, the main way is through vectorborne transmission. The insect vectors are called triatomine bugs. These blood-sucking bugs get infected by biting an infected animal or person. Once infected, the bugs pass T. cruzi parasites in their feces. The bugs are found in houses made from materials such as mud, adobe, straw, and palm thatch. During the day, the bugs hide in crevices in the walls and roofs. During the night, when the inhabitants are sleeping, the bugs emerge. Because they tend to feed on people's faces, triatomine bugs are also known as "kissing bugs. " After they bite and ingest blood, they defecate on the person. The person can become infected if T. cruzi parasites in the bug feces enter the body through mucous membranes or breaks in the skin. The unsuspecting, sleeping person may accidentally scratch or rub the feces into the bite wound, eyes, or mouth.

People also can become infected through:
congenital transmission (from a pregnant woman to her baby);
blood transfusion;
organ transplantation;
consumption of uncooked food contaminated with feces from infected bugs; and
accidental laboratory exposure.

It is generally considered safe to breastfeed even if the mother has Chagas disease. However, if the mother has cracked nipples or blood in the breast milk, she should pump and discard the milk until the nipples heal and the bleeding resolves.

Chagas disease is not transmitted from person-to-person like a cold or the flu or through casual contact with infected people or animals..."

CDC - Chagas Disease - Detailed FAQs

Let's repeat that last line I quoted from the CDC: "Chagas disease is not transmitted from person-to-person like a cold or the flu or through casual contact with infected people or animals".
What part of that do you NOT understand?

The result of all this is that Chagas will NEVER be a major threat in the U.S. - NEVER. We just don't have the right environment for it.

Ken
You left this part out. "Chagas disease is considered to be contagious between people. Generally the infectious agent may be transmitted by saliva, air, cough, fecal-oral route, surfaces". It was right in the link I provided.

 
Old 06-21-2014, 08:17 PM
 
Location: SE Arizona - FINALLY! :D
18,946 posts, read 21,929,906 times
Reputation: 6537
Quote:
Originally Posted by Oldglory View Post
You left this part out. "Chagas disease is considered to be contagious between people. Generally the infectious agent may be transmitted by saliva, air, cough, fecal-oral route, surfaces". It was right in the link I provided.
Your link is WRONG (or at the very least misleading).
The CDC is the clearinghouse for disease information. It is THE source from which other sources get their data - and it's VERY CLEAR about how Chagas can and CAN NOT be transmitted.

Ken
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