when did the hepatitis b vaccine come out
Hepatitis B vaccine The first hepatitis B vaccine was approved in the United States in 1981.[3] A recombinant version came to market in 1986.[1] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[4] As of 2014, the wholesale cost in the developing world is US$0.58–13.20 per dose.[5] In the United States it costs US$50–100.[6]
Influenza vaccine Vaccination against influenza began in the 1930s with large scale availability in the United States beginning in 1945.[12][13] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[14] The wholesale price in the developing world is about $5.25 USD per dose as of 2014.[15] In the United States, it costs less than $25 USD as of 2015.[16]