| Lambs grazed as one flock and were rotated between paddocks to avoid autoinfection from pasture. |
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| During the phase of autoinfection, chest radiographs or CT may show fine miliary nodules or diffuse reticular interstitial opacities. |
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| When immunosupression develops, autoinfection accelerates and hyperinfection occurs. |
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| Depending on the host immune response, this can lead to autoinfection and hyperinfection. |
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| The syndrome is characterized by a high organism burden owing to autoinfection and is most common in immunocompromised hosts. |
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| In the case of Strongyloides, autoinfection may explain the possibility of persistent infections for many years in persons who have not been in an endemic area and of hyperinfections in immunocompromised individuals. |
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| The endogenous autoinfection cycle can possibly persist for a lifetime. |
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| The Strongyloides life cycle is more complex than that of most nematodes with its alternation between free-living and parasitic cycles, and its potential for autoinfection and multiplication within the host. |
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| Strongyloides stercoralis is also capable of causing autoinfection in the host. |
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| Strongyloides stercoralis can cause eosinophilia years after the initial infection because the organism is capable of autoinfection inside its host. |
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| Autoinfection can occur and represents a permutation of the life cycle. |
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