Immunology experienced an unprecedented boom in the past few decades and is playing a leading role in the advancement of biomedical research. New discoveries and emerging paradigms have fundamentally changed the landscape of immunology. The award of the 2011 Nobel Prize in Physiology or Medicine to three prominent immunologists highlights these achievements. This timely Symposium will focus on the la test developments in immunology and their potential applications in curing human diseases. We will cover the topics of Innate Immunity, T and B cell biology, and host defence mechanisms in model organisms. As a high-calibre yet very affordable meeting， we hope you will take this golden opportunity to present your la test exciting research results, meet colleagues from all over the world, and visit the most beautiful and friendly coastal city in China. To encourage the participation of young investigators from domestic and international， this symposium will select up to 8 short talks from abstracts, and offer student discounts， and up to 2 awards, which will cover the registration fee，accommoda ti on, and meals.