Prognosis
Treatment of Hodgkins disease has been improving over the past few decades. Recent trials that have made use of new types of chemotherapy have indicated higher survival rates than have previously been seen. In one recent European trial, the five-year survival rate for those people with a favorable prognosis (FFP) was 98%, while that for people with worse outlooks was at least 85%.In 1998, an international effort identified seven prognostic factors that accurately predict the success rate of conventional treatment in people with locally extensive or advanced-stage Hodgkin lymphoma. Freedom from progression (FFP) at five years was directly related to the number of factors present in a person. The five-year FFP for people with zero factors is 84%. Each additional factor lowers the five-year FFP rate by 7%, such that the five-year FFP for a person with five or more factors is 42%.The adverse prognostic factors identified in the international study are:

Age ≥ 45 years
Stage IV disease
Hemoglobin < 10.5 g/dl
Lymphocyte count < 600/µl or < 8%
Male
Albumin < 4.0 g/dl
White blood count ≥ 15,000/µlOther studies have reported the following to be the most important adverse prognostic factors: mixed-cellularity or lymphocyte-depleted histologies, male sex, large number of involved nodal sites, advanced stage, age of 40 years or more, the presence of B symptoms, high erythrocyte sedimentation rate, and bulky disease (widening of the mediastinum by more than one third, or the presence of a nodal mass measuring more than 10 cm in any dimension.
The Beijing-3 strain was the main variant of the vaccine used in the Peoples Republic of China from 1968 until 2005.Three second-generation vaccines have entered markets since then: SA14-14-2, IC51 and ChimeriVax-JE. The live-attenuated SA14-14-2 strain was introduced in China in 1988. It is much cheaper than alternative vaccines, and is administered to 20 million Chinese children each year.A purified, formalin-inactivated, wholevirus vaccine known as IC51 (marketed in Australia and New Zealand as JESPECT and elsewhere as IXIARO) was licensed for use in the United States, Australia, and Europe during the spring of 2009. It is based on a SA14-14-2 strain and cultivated in Vero cells. In September 2012, the Indian firm Biological E. Limited launched an inactivated cell culture derived vaccine based on SA 14-14-2 strain which was developed in a technology transfer agreement with Intercell and is a thiomersal-free vaccine.Another vaccine, a live-attenuated recombinant chimeric virus vaccine developed using the Yellow fever virus known as ChimeriVax-JE (marketed as IMOJEV) was licensed for use in Australia in August 2010 and in Thailand in December 2012. References
External links
"Japanese Encephalitis Vaccine". Drug Information Portal. U.S. National Library of Medicine.