| 11. | The vectors remains infective for the rest of their lives.
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| 12. | They subsequently develop into third-stage larvae, which are infective.
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| 13. | This is followed by the formation of infective gametocytes in the erythrocytes.
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| 14. | In the first phase sporocysts containing sporozoites infective to the vertebrate host.
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| 15. | Infective endocarditis is an infection of the endothelium lining of the heart.
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| 16. | The boy lay on the tent floor motionless with post-infective diarrhea.
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| 17. | The oocysts are mature and infective upon being excreted.
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| 18. | Multiple case reports of infective endocarditis caused by unusual organisms have been published.
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| 19. | Rodents tend to avoid owl pellets, apparently due to their infective potential.
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| 20. | The infective juvenile penetrate the skin of the host.
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