Vaccines in the palm of your hand! Author Hal Jenson has distilled all of the clinically-relevant information from Plotkin and Orenstein's definitive reference on vaccinology into this easy-to-use PDA application. In addition to all of the practical point-of-care information you will ever need on vaccines for children, adults and international travelers, you also get quarterly updates that keep you abreast of vaccines-related news and research.