Set includes various types of virus & bacteria images in both color and black and white versions of each graphic! This set contain 78 images of different viruses & bacteria! Bacteria types included in this set are adenovirus, bacteriophage, Bifidobacterium, borrelia, brucella, campylobacter, clostridium perfrigens, coccobacili, corynebacterial, diplococci, Ebola, E.coli, heliobacteria, hepatitis, herpes, HIV, HPV, influenza, lactobacillus, lactococcus, Leptospira, meningococcus, mycobact