Elliott Killian
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Pathology

The Environment brings the Vector (Disease Triangle)

Posted on October 24, 2017 by Elliott Killian
Human Disease Triangle. It has a human as the host, a bacteria or virus as the pathogen or agent, and a home as the environment. All three are needed for a disease.

I previously wrote about how a disease outbreak is as good as the transmission or disease vector. A pathogen without transmission isn’t a disease. The example I used was the black plague. That without fleas on rats, or without rats… Continue Reading →

Pathology, Plant Science Disease, Epidemic, Pathology
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Disease is the Transmission

Posted on October 3, 2017 by Elliott Killian
Message in a bottle with death written on it. disease transmission

What is the difference between a disease and a toxin? Both can kill an organism. The difference is that a toxin can only affect one person while a disease can affect many. In essence, a disease can be transmitted. The… Continue Reading →

Pathology, Plant Science History, Plant Disease

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