What are the chances of getting HTLV?
The prevalence of HTLV-I among IDUs, men who have sex with men, and noninjecting-drug-using heterosexuals, was 2.1% (2/97), 1.4% (4/ 285), and 0.3% (3/1085), respectively. HTLV-II prevalence was 8.2% (8/97) among IDUs and 0.09% (1/1075) among noninjecting-drug-using heterosexuals.
Is HTLV rare?
Dear M.B.: Human T-cell lymphotropic viruses are rare in the U.S. and Canada, and 95% of people with the virus found in their blood will never develop symptoms. However, they can cause two different diseases: adult T cell leukemia-lymphoma, and HTLV-1-associated myelopathy, also called tropical spastic paraparesis.
What population is at high risk of HTLV?
The highest prevalence ratios were encountered in those who received blood transfusions, unmarried and with HBV or HCV. The prevalence of HTLV-1 infection also increased with age, going from 1.6 to 2.2% and 2.9% among those 18–30, 31–50 and > 50 years old, respectively.
How common is HTLV 2?
With an estimated 800,000 infected individuals worldwide, HTLV-2 is far less prevalent than HTLV-1. Most documented HTLV-2 infected individuals are found in the United States (400,000–500,000) highly concentrated in the Native American and intravenous drug user populations.
What country is HTLV-1 found?
In Europe, the only country with an endemic HTLV-1 region is Romania. The origin of this puzzling geographical or rather ethnic repartition is not well understood, but is probably linked to a founder effect in some groups, followed by the persistence of a high viral transmission rate.
How do I know if I have HTLV?
Initial symptoms are subtle and include gait problems, unexplained falls, low back pain, constipation, urinary urgency/incontinence and numbness or pain in the lower limbs. Over the years, progressive leg weakness ensues followed by the exacerbation of the urinary and sensory symptoms.
Is HTLV-2 serious?
Infection with HTLV-2 is lifelong, but 95% of affected people have no signs or symptoms of the condition. Although HTLV-2 has not been definitively linked with any specific health problems, scientists suspect that some affected people may later develop neurological problems and/or chronic lung infections.
What is the global prevalence of HTLV-1 infection?
The burden of this population growth has been in many of the regions that are endemic for HTLV-1 infection. Gessain et al [ 2] recently published a revised estimate of 5–10 million infections but took care to note that this was based on only 1.5 billion of the world’s 7 billion inhabitants.
What are the possible complications of HTLV-1?
However, some affected people may later develop adult T-cell leukemia (ATL), HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP) or other medical conditions. Approximately 2-5% of people with HTLV-1 will develop ATL, a cancer of the T-cells (a type of white blood cell).
What is the life expectancy of someone with HTLV-1?
Depending on the subtype of ATL, people usually live an average of 6 months to 2 years following diagnosis. Although chemotherapy can produce a complete remission, it does not alter the life expectancy. About .25 to 2% of people with HTLV-1 infection will develop HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP) .
Can HTLV-1 be transmitted sexually?
HTLV-1 has been detected in cervical secretions and semen. The elevated presence of the virus has been reported among the sexual partners of people with HTLV-1 infection, which supports evidence of sexual transmission. A history of unprotected sex, earlier age at first sex and a higher number of partners increase the risk of transmission.
