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Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm Nematode worm egg Nematode worm Nematode worm egg Nematode worm egg Nematode worm egg Nematode worm egg Nematode worm egg Neisseria gonorrhoeae bacteria Neisseria gonorrhoeae bacteria Nematode worm egg Neisseria gonorrhoeae bacteria