Asymptomatic carriers will show no signs of disease, often for many years.

Many of these animals recover from the disease and become asymptomatic carriers.

Genetic testing can identify individuals who themselves are asymptomatic carriers, but whose children may be at risk.

Asymptomatic carrier fish and contaminated water provide reservoirs for disease.

It is possible to be an asymptomatic carrier of sexually transmitted diseases.

Asymptomatic carrier animals can also be source of infection.

The percentage of asymptomatic carriers that develops overt disease is unknown.

Fowl act as natural asymptomatic carriers of influenza A viruses.

These asymptomatic carriers in remote villages are putting a strain on malaria control activities.

Some records show whether the isolates were obtained from symptomatic or asymptomatic carriers.

For every case of paralysis, there are an estimated 200 asymptomatic carriers, any of whom can spread the disease.

Medication should be prescribed to any sexual partner(s) as well because they may be asymptomatic carriers.

However, asymptomatic carriers of the HSV-2 virus are still contagious.

The rest remain as asymptomatic carriers.

But her mother was an asymptomatic carrier and her father and 11-year-old brother have had no trace of the bacteria.

Smallpox is not known to be transmitted by insects or animals and there is no asymptomatic carrier state.

"Huddersfield confirms that there are no asymptomatic carriers of this plague," Ruckerman added.

It is not clear whether the rats are affected by P. marneffei or are merely asymptomatic carriers of the disease.

Multiplications have been found in asymptomatic carriers, which indicate that penetrance is incomplete or age-dependent.

All persons living in the same residence should be screened for D. fragilis as asymptomatic carriers may provide a source of repeated infection.

These asymptomatic carriers are, in effect, the Typhoid Marys of genital herpes.

A person may become an asymptomatic carrier of typhoid fever, suffering no symptoms, but capable of infecting others.

The spectrum of this disease ranges from asymptomatic carrier state to life-threatening pseudomembranous colitis and toxic megacolon.

The paper attributed confusion over pathogenicity to the existence of asymptomatic carriers, a phenomenon the study noted is common to all gastrointestinal protozoa.

Cattle lack the shiga toxin receptor, Globotriaosylceramide, and therefore can be asymptomatic carriers of the bacterium.