Title: Herd Immunity and Vaccines Contact: Taina Litwak Description: Concept of Herd immunity illustrated. A Portion of the poulation, though unvaccinated aquire protection from disease microbes through shielding by the vaccinated portion of the population. Keywords: vaccines, disease transmission, public health, microbes, bacteria, virus Media: Color Categories: Medical, Science Subject(s): Animal, Mammals, Vertebrates, Human, Microscopic, Pharmaceutical, Advertising, Editorial, Institutional Medical Illustration Displaying image 2324 of 2587. Gallery of Litwak Illustration Studio Email Taina Litwak about this image. Copyright 2003 Taina Litwak. This image is available for reuse purchase. Please review the Comp. Usage Agreement before downloading this image. To email this image to someone else, copy and paste this address: http://www.science-art.com/image.asp?id=601&m=0