Humans function as accidental hosts, because they are usually a 'dead end' for the parasitic infection cycle.

Humans are not the only accidental hosts of Toxocara.

Humans are accidental hosts of Toxocara, yet toxocariasis is seen throughout the world.

This often causes an intensely itchy, red bump in humans (who are accidental hosts).

Humans are accidental hosts because adult worms can not reach maturity in the heart or in the skin.

We are just the accidental hosts, she thought.

Human beings are considered to be accidental hosts, and they are not involved in the natural transmission cycle of this pathogen.

Humans are now considered as the accidental host because humans are not the primary requirement for the life cycle.

Parasites sometimes infect hosts in which they cannot complete their life cycles; these are accidental hosts.

Humans are considered an accidental host because the parasite can survive without humans.