Varicella vaccine from a child with natural varicella, introduced into human embryonic lung cell cultures, adapted to and propagated in embryonic guinea pig cell cultures, and finally propagated in human diploid cell cultures. Japan was among the first countries to vaccinate for chickenpox. The vaccine was first licensed in the United States in 1995. Routine vaccination against varicella zoster virus is also performed in the United States, and the incidence of chickenpox has been dramatically reduced there (from 4 million cases per year in the pre-vaccine era to approximately 400,000 cases per year as of 2005). In Europe most countries do not
Brazilian disease Brazilian disease Brazilian disease is a phrase in economics to describe the situation in which the Brazilian real has strengthened (trading at around R$1.95 to the US dollar) on high prices for commodities such as soybeans, making Brazilian exports of manufactured goods uncompetitive in foreign markets. The term was coined to compare the economic situation facing Brazilian exports in the late 2000s to Dutch disease, an older term referring to similar conditions faced in the Netherlands in the 1960s and 1970s due to massive natural gas exports. The term "Brazilian disease" has not been widely used in economic literature or