Infanta Maria Cristina had four daughters, all potential carriers.

About one-tenth of the population works overseas, all of them potential carriers of disease whenever they visit home.

As long as the disease carries a stigma with it, they say, potential carriers could be driven away from the medical system if testing is required.

We are all both potential carriers and victims of infections that are new to others.

Genetic counseling may be advisable when potential carriers or patients want to have children.

Some insects have been shown to be potential carriers of pathogenic agents that can cause diseases.

But this creates fewer potential carriers of the disease and fewer opportunities for contact.

Poison ivy and ticks, potential carriers of Lyme disease, are abundant in summer.

For me, it is a question of courage and a sense of responsibility to warn about every even potential carrier of this bacterium.

They are a potential carrier of foot-and-mouth disease if it were to reach New Zealand.