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
Chronic disease in China will mandate an integrated and comprehensive approach to the control and prevention of cardiovascular disease, cancer, chronic respiratory disease, and diabetes. There will be priority actions in at least four areas: adult male smoking, hypertension, overweight and obesity, and capacity building for chronic disease control. The National Center for Chronic and Non-communicable Disease Control and Prevention (NCNCD) was established in 2002, under the leadership of the Chinese Center for Disease Prevention and Control (CDC), which is the technical counterpart of the Ministry of Health. NCNCD is the institution for chronic disease prevention and control at the national level and is