What is the cause of yaws?

What is the cause of yaws?

Yaws is an infectious disease caused by a spiral-shaped bacterium (spirochete) known as Treponema pertenue. Yaws is usually transmitted by direct contact with the infected skin sores of affected individuals. In some cases, yaws may be transmitted through the bite of an infected insect.

What kind of disease is yaws?

Yaws is a chronic disfiguring and debilitating childhood infectious disease. Yaws affects skin, bone and cartilage. Humans are currently believed to be the only reservoir, and transmission is from person to person. Yaws is cured with a single oral dose of an inexpensive antibiotic called azithromycin.

What are crab yaws?

: secondary lesions of yaws characterized by thickening of the skin on the soles of the feet and formation of fissures and ulcers which causes a waddling gait.

What kind of skin disease does yaws cause?

The disease. Yaws is a poverty-related chronic skin disease that affects mainly children below 15 years of age (with a peak between 6 and 10 years). It is caused by the bacterium – is a Treponema pallidum m subspecies pertenue and transmitted by skin contact. Yaws mainly affects the skin, but can also involve the bone and cartilage.

How old do you have to be to get yaws?

Yaws is a poverty-related chronic skin disease that affects mainly children below 15 years of age (with a peak between 6 and 10 years). It is caused by the bacterium – is a Treponema pallidumm subspecies pertenue and transmitted by skin contact.

Are there any yaws in the United States?

Yaws does not occur in the United States. However, according to the last estimate by the World Health Organization (WHO), in 1995, the prevalence of endemic treponematoses, mostly yaws, was 2.5 million, with 460,000 cases being infectious. In 2006, India declared that yaws had been eliminated in that country.

How did the World Health Organization get rid of yaws?

Yaws is a chronic disfiguring and debilitating childhood infectious disease caused by Treponema pallidum subspecies pertenue. It is one of the first diseases targeted for eradication by WHO and UNICEF in the 1950s. WHO renewed global efforts to eradicate yaws in 2012. The disease affects skin, bone and cartilage.

What is the treatment for yaws?

Treatment of yaws is simple and highly effective. Penicillin G benzathine given IM (intramuscularly) can cure the disease in the primary, secondary, and usually in the latent phase. Penicillin V can be given orally for about seven to 10 days, but this route is less reliable than direct injection.

What is the scientific name of yaws?

Because the lesions of yaws look like berries, the disease is also called frambesia (or frambesia tropica) from the French framboise, meaning “raspberry.”. Other older names for yaws include granuloma tropicum, polypapilloma tropicum, and thymiosis.

What is yaws infection?

Yaws is a long-term (chronic) bacterial infection that mainly affects the skin, bones, and joints. Yaws is an infection caused by a form of the Treponema pallidum bacteria. It is closely related to the bacterium that causes syphilis, but this form of the bacterium is not sexually transmitted.