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Strategies & Market Trends : The Residential Real Estate Crash Index

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To: coug who wrote (198704)4/28/2009 3:49:39 PM
From: Elroy JetsonRead Replies (1) of 306849
 
Human to human contact is more efficient since humans have far more contact with humans.

Once no humans have the influenza, due to a quarantine, the disease can reappear in humans from birds or pigs.

The human population has to acquire immunity to the new pathogen.

The curious thing about these trans-species pathogens is a variant which is deadly to one species does not necessarily cause disease in the other species.
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