pertussis, medicines as concept of ordinary treatment, conceptual image

ailment airborne azithromycin bacteria bacterial bacteriology bacterium betaproteobacteria bordetella care cilia clarithromycin contagious cough destroy destruction diphtheria disease disorder epidemic epithelium erythromycin health healthcare highly hospital illness infection injection kid lung medical medicine micro microbe microbiology organisms patient pertussis sick sickness syringe trachea tracheal treatment vaccination vaccine whooping