Majority of children vaccinated against hepatitis B not at increased risk of MS

Sep 25, 2008

The majority of children vaccinated against hepatitis B are not at an increased risk of developing multiple sclerosis (MS), according to a study to be published in the October 8, 2008, online issue of Neurology, the medical journal of the American Academy of Neurology.

The study based in France involved 349 children with MS and 2,941 children without the disease. The children were all under the age of 16. A total of 24.4 percent of the children with MS were vaccinated for hepatitis B in the three years before the study, compared to 27.3 percent for the children without MS.

Although the study found that hepatitis B vaccination does not generally increase the risk of multiple sclerosis, the children with MS were 1.74 times more likely to have received a certain type of hepatitis B vaccine, called Engerix B®. Those children with MS developed symptoms three or more years after the vaccine. The risk was only found for this specific type of hepatitis B vaccine and not found for all vaccines against hepatitis B.

This association cannot be taken as confirmation that the vaccine caused MS. Further studies are needed to determine whether this is a causal relationship.

Source: American Academy of Neurology

Explore further: S. African disease lab on frontline of Ebola fight

add to favorites email to friend print save as pdf

Related Stories

Possible new route to fight dengue virus pointed

Mar 22, 2012

Researchers have identified enzymes and biochemical compounds called lipids that are targeted and modified by the dengue virus during infection, suggesting a potential new approach to control the aggressive ...

UNICEF discloses vaccine prices for 1st time

May 29, 2011

UNICEF is for the first time publicizing what drugmakers charge it for vaccines, as the world's biggest buyer of lifesaving immunizations aims to spark price competition in the face of rising costs.

Recommended for you

Sperm can carry Ebola for 82 days: WHO

1 hour ago

Sperm can carry the Ebola virus for at least 82 days, the World Health Organization said Friday, urging men recovering from the disease to use condoms for three months after the onset of symptoms.

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.