haemophilus influenzae bacteria, 3d

haemophilus hib epiglottitis ailment microorganisms gramnegative meningitis cellulitis bacteriology bacterial contagious disorder lung bacterium ill microbe microbiology bacteria sickness infection illness disease health children illustration 3d pneumonia coccobacillus respiratory influenzae infectious pathogen medical microbial diseasecausing pathogenic microbes structure microbiota research biology healthcare diseases organisms visualization pathogens infections colonies