How was yaws eradicated?
Yaws is cured with a single oral dose of an inexpensive antibiotic called azithromycin. Yaws was one of the first diseases targeted for eradication in the 1950s.
What is the prevention of yaws?
There is no vaccine for yaws. Prevention is based on the interruption of transmission through early diagnosis and treatment of individual cases and mass or targeted treatment of affected populations or communities. Health education and improvement in personal hygiene are essential components of prevention.
Which country was suffering from yaws?
In 2020, 82 564 cases of yaws were reported to the WHO and 153 cases were confirmed. The majority of the cases are reported from Papua New Guinea and with over 80% of all cases coming from one of three countries in the 2010-2013 period: Papua New Guinea, Solomon Islands, and Ghana.
How many cases of yaws are there?
This statistic shows the number of reported cases of yaws worldwide from 2011 to 2020. In 2020, there were 87,877 reported cases of yaws. Yaws is a chronic skin disease that mainly affects children in poverty-stricken regions with limited access to basic amenities.
What is the cause of yaws?
Yaws is a chronic skin infection characterized by papillomas (noncancerous lumps) and ulcers. It is caused by the bacterium Treponema pallidum subspecies pertenue, which belongs to the same group of bacteria that causes venereal syphilis.
Is yaws and syphilis the same?
Yaws is a chronic tropical skin infection that may also infect bones in its late stages. Yaws is caused by a spiral-shaped bacterium (spiroch(a)ete), Treponema pallidum pertenue. Yaws belongs to the same family of bacteria as syphilis, Treponema pallidum pallidum.
What are the stages of yaws?
Yaws has 3 clinical stages: primary, secondary, and tertiary. Stages are interspersed with asymptomatic latent periods. The typical yaws patient is young and from an endemic area and has been exposed to infected persons with active disease. Primary lesions, also called mother yaw, develop at the site of inoculation.
How do you identify yaws?
The diagnosis of stage 1 and stage 2 yaws is made by microscopic examination of tissue samples (darkfield examination) from the skin lesions of affected individuals. Stage 3 yaws may be diagnosed by specialized blood tests (i.e., VDRL and treponemal antibodies).
How do you get yaws?
Yaws is caused by T. pertenue, a bacterium closely related to the one that causes syphilis, though yaws is not a sexually transmitted infection. People get yaws by coming into contact with the skin of someone who is infected, such as by touching an infected sore and then touching a cut or scrape on their own skin.
What yaws mean?
Definition of yaws : a contagious tropical disease especially of children caused by a spirochete (Treponema pertenue) closely resembling the causative agent of syphilis and marked by infectious ulcerative skin lesions with later bone involvement.
Are yaws congenital?
Experimental infections of guinea pigs have confirmed the lack of congenital infection in yaws. Tertiary yaws, which develops in approximately 10% of untreated patients after several years, consists of destructive lesions of bone, cartilage, soft tissue, and skin.
Which body organs are affected in leptospirosis?
Without treatment, Leptospirosis can lead to kidney damage, meningitis (inflammation of the membrane around the brain and spinal cord), liver failure, respiratory distress, and even death.