A worker weighs Chinese herbs as she prepares prescriptions at Beijing's Capital Medical University Traditional Chinese Medicine Hospital April 6, 2010. The hospital distributes around 20,000 doses of their herbal medicine daily, which amounts to more than five tons of ingredients. Traditional Chinese medicine practitioners are offering their treatments as an alternative to vaccinations after a series of health product safety scandals in China over the past few years. The world will mark World Health Day on April 7.[Photo/Agencies]