TY - BOOK AU - Spears,David TI - Infectious diseases PY - 1994/// CY - Oxford PB - Science Pictures for Oxford University Press KW - Communicable diseases KW - Infection N1 - Copy available in DVD format N2 - This video presents the major categories of disease-causing microorganism in man such as viruses, bacteria, eukaryotic parasites. For each category the main pathogenic mechanisms are oulined, and the principal immunological defencesystems deployed (and the invader's countermeasures) are described ER -