BACKGROUND. HTLV-1 associated myelopathy (HAM), or tropical spastic paraparesis, is caused by a retrovirus, the human T-cell lymphotropic virus (HTLV). Although patients with HAM and HIV infection have been described, to ...

BACKGROUND: The recent listeriosis outbreak in South Africa (SA) received widespread attention in the media. More than 1 000 laboratoryconfirmed cases of listeriosis occurred during an 18-month period, with a case fatality ...

BACKGROUND : Parkinson’s disease (PD) is a common neurodegenerative disease, associated with severe impairment of quality of life. Although the motor aspects of the illness are typically successfully treated with medications ...