3D rendering. Illustration of microorganisms in the form of bacteria living in the circulatory system. 3d, acute, aids, bacteria, biology, blood, blur, body, cancer disease, cell, circulatory system, close-up, coronavirus, defeat, disease, dna, drawing, epidemic, escherichia coli, fight, green, harm, health, illustration, immunity, infection, intoxication, macro, medicine, micro, microbe, microbiology, microscope, organism, pneumonia, poisoning, problem, red, rendering, respectable, science, sphere, spike