This was my new and hot last class...
Adults over the age of 60 are now being recommended to get the Merck and Co. Zostavax vaccine against shingles. The vaccine was approved by the FDA in 2006 and insurance companies are suspected to start covering the cost of the vaccine. According to the article, there are about a million cases of shingles in the US each year, half of which occur in people 60 and over and the vaccine has been shown to reduce the occurrence of the disease by about 50%. However the vaccine right now still costs about $150, so that is a current limitation given its recommendation for everyone over 60 in the US.
the article: www.washingtonpost.com/wp-dyn/content/article/2008/05/15/AR2008051502364.html