This legal action involves the claim that the hepatitis B vaccine is associated with an increased risk of multiple sclerosis.
http://money.cnn.com/news/newsfeeds/articles/djf500/200802010444DOWJONESDJONL...
A research paper published in 2004 that suggested this association has been criticized as being of poor quality, and is contradicted by numerous other studies that found no association between the vaccine and MS. From a World Health Organization committee that studied the issue:
"The GACVS has noted that the findings and conclusions of the Hernán paper are at variance with those of a number of others; namely Ascherio (2001)1, De Stefano (2003)2, Touze (2002)3, Sturkenboom (1999)4, Confraveux (2001)5, Zipp (1999)6, Sadovnick (2000)7. Whereas each of these papers has its own methodological problems, it is notable that the overall conclusion of each is consistently different to those of Hernán. Data accumulated globally during the last 20 years has also provided evidence supporting the safety of hepatitis B immunization in infants and adolescents. Nevertheless, it is important that the questions raised by Hernán and colleagues are put to the test and the GACVS will be keeping a watching brief on the issues. For the time being, the GACVS has advised the WHO that the evidence and argument submitted by Hernán et al are insufficient to support the hypothesis of a link between hepatitis B
vaccination and MS, and do not justify discontinuation or modification of immunisation programmes with HBV. The latter have had a demonstrated profound beneficial public health benefit worldwide."
http://www.who.int/vaccine_safety/topics/hepatitisb/multiple_sclerosis/en
Let's repeat that last part for those who missed it:
"...the evidence and argument submitted by Hernán et al are insufficient to support the hypothesis of a link between hepatitis B
vaccination and MS, and do not justify discontinuation or modification of immunisation programmes with HBV. The latter have had a demonstrated profound beneficial public health benefit worldwide."
Likewise, the Centers for Disease Control has concluded that the hepatitis B vaccine has not been shown to be associated with MS:
http://www.cdc.gov/od/science/iso/concerns/archive/multiplesclerosis_and_hep_...
Antivaxers can be expected to ignore the great preponderance of scientific evidence that supports the safety of the hep. B vaccine, and will continue to focus on the few claims of vaccine side effects while ignoring the great benefits offered by this and other vaccines.
Hepatitis B infection makes people seriously ill, and can be fatal.
You could look it up.