There is no link between vaccines and increased risk of multiple sclerosis or other acquired central nervous system demyelinating syndromes, according to a study published online Oct. 20 in JAMA Neurology.
Researchers at Hong Kong University and the Wellcome Trust Sanger Institute have identified a link between the influenza A viruses’ genetic diversity and severity of the infection.
The immune system is the new focus of much work on traumatic brain injury (TBI). In a challenge to the paradigm that the blood brain barrier prevents harmful leukocytes from entering the brain, a Texas team tried to neutralize the impact of these cells. Peripheral lymphocytes are activated after TBI. They may then act as potential antigen presenting cells and get into the brain, causing cells there to degenerate.