In the second model, mice genetically modified to develop prostate cancer were used.

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The best experimental model is the mouse, but infected mice may take two years to show signs and symptoms of prion diseases.

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To make their SIDS model they tweaked this switch so that it came on when the mice were three weeks old (mice are born prematurely, relative to people, so that corresponds roughly with the moment of human birth) and then looked to see what would happen.

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In an in vivo model using severe combined immunodeficient mice, subcutaneous tumors were generated by inoculating the animals with cells from human non-small cell lung carcinoma cell lines.

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Just as researchers use mice to model human physiology, so they use this parasite, Plasmodium berghei, to model the lethal Plasmodium falciparum.

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