Human T-cell leukemia virus (HTLV-III) is known to cause
A
Bone cancer
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B
Leukemia
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C
Cerebral-haemorrhage
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D
Hepatitis
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Solution
The correct option is D Leukemia Acquired immunodeficiency syndrome (AIDS) and AIDS-related complex (ARC) are caused by human T-cell leukemia/lymphotropic virus type III (HTLV-III). Human T-cell lymphotropic virus (HTLV) was the first human retrovirus discovered. HTLV belongs to the Retroviridae family in the genus Deltaretrovirus. Retroviruses are RNA viruses that use an enzyme called as reverse transcriptase to produce DNA from RNA. The DNA is subsequently incorporated into the host's genome. HTLV predominantly affects T lymphocytes.