Tyzzer's disease is caused by which etiologic agent?

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Multiple Choice

Tyzzer's disease is caused by which etiologic agent?

Explanation:
Tyzzer's disease is caused by Clostridium piliforme, an unusual obligate intracellular bacterium that infects hepatocytes and enterocytes in young rodents. It leads to multifocal necrotizing hepatitis and enteritis, and its culture is notoriously difficult on standard media, so diagnosis often relies on histology with special staining. Among the options, this organism uniquely matches Tyzzer's disease, whereas the others cause different issues in rodents—Mycoplasma pulmonis with respiratory disease, Staphylococcus aureus with skin infections, and Salmonella enterica with enteric disease.

Tyzzer's disease is caused by Clostridium piliforme, an unusual obligate intracellular bacterium that infects hepatocytes and enterocytes in young rodents. It leads to multifocal necrotizing hepatitis and enteritis, and its culture is notoriously difficult on standard media, so diagnosis often relies on histology with special staining. Among the options, this organism uniquely matches Tyzzer's disease, whereas the others cause different issues in rodents—Mycoplasma pulmonis with respiratory disease, Staphylococcus aureus with skin infections, and Salmonella enterica with enteric disease.

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