abstract background bacteria biology black blood cancer cells close closeup concept creation death design detail fill germs graphic grey health healthcare human illustrations image infection life macro medical medicine micro New organic original render reproduction science sick small style technology texture tiny unique vector virus antibiotic backdrop biologic capsules cure depressant dope drugs flu headache healthy hospitals illness narcotic opiate packaging pain pattern pharmaceutical pharmacy pills poison potion prescription red remedy research sedative sickness stimulant tablet tablets therapeutic therapy tonic treatment vitamins wellness green ment blood cells body carbon dioxide cell count circulation corpuscle disease erythrocyte haemoglobin hemoglobin iron macrocyte megaloblast megalocyte microscopic oxygen platelets red blood cells transfusion aid apothecary assistance care chemical chemist clear container containers cup curative dispenser dispensing health-care help helpful hospital ill-health medicines nursing pain-relief pill-dispensing plastic prescribed prescriptive remedial various analyse blood analysis cleaning clusters color colour contamination culture disinfect health care immune immune system immunity microbes mitosis pathogens petri dish probiotics sample slides swab test tissue unclean aspirin blister pack white