Study suggests hepatitis B vaccine increases risk of multiple sclerosisBMJ 2004; 329 doi: http://dx.doi.org/10.1136/bmj.329.7468.703-a (Published 23 September 2004) Cite this as: BMJ 2004;329:703
- Owen Dyer
People vaccinated against hepatitis B triple their risk of developing multiple sclerosis over the following three years, a study in the current issue of the journal Neurology says (Neurology 2004;63:838-42).
Researchers led by Dr Miguel Hernán of Harvard School of Public Health analysed the United Kingdom's general practice research database, which follows a representative sample of over three million British patients.
They found 163 cases of multiple sclerosis that had first been diagnosed in the period 1993-2001 and which met the study's criteria on record keeping. Also analysed were 1604 matched controls who did not have multiple sclerosis.
The report's key finding …