It is the most common vector of myiasis within the Fanniidae.

Fecal-oral transmission may be the most common vector for wilderness acquired diarrhea.

In addition to ticks, mites are another common vector.

The mahi-mahi is also a common vector for ciguatera poisoning.

Now, as I'm sure you are aware, the most common vector of infection is dirty hands.

In the Americas, Ixodes scapularis is the most common vector.

Fruit flies are common vector in the transfer of Brettanomyces between tanks and even nearby wineries.

For herbivores, common vectors for disease, these and other wound response aromatics seem to act as a warning that the plant is no longer edible.

The most common vectors now are viruses, which have evolved a way of encapsulating and delivering their genes to human cells in a pathogenic manner.

That's become lower down on the thing, on the list because that's no longer a common vector of viruses.