Ascaris lumbricoides
| Ascaris lumbricoides | |
|---|---|
| An adult female Ascaris worm | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Chromadorea |
| Order: | Ascaridida |
| Family: | Ascarididae |
| Genus: | Ascaris |
| Species: | A. lumbricoides |
| Binomial name | |
| Ascaris lumbricoides | |
Ascaris lumbricoides is a large parasitic worm that causes ascariasis in humans. A roundworm of genus Ascaris, it is the most common parasitic worm in humans. An estimated 807 million–1.2 billion people are infected with A. lumbricoides worldwide. People living in tropical and subtropical countries are at greater risk of infection.
It has been proposed that Ascaris lumbricoides and Ascaris suum (pig roundworm) are the same species.
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