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    Side view of mature Caucasian male patient sleeping in bed while senior mixed-race male patient is sitting in wheelchair next to the window in the ward at hospital — Stock Photo
    Side view of mature Caucasian male patient sleeping in bed while senior mixed-race male patient is sitting in wheelchair next to the window in the ward at hospital
    3d illustration of cholera pathogens in dark orange water. — Stock Photo
    3d illustration of cholera pathogens in dark orange water.
    3d illustration of flu pathogen in cross-section. — Stock Photo
    3d illustration of flu pathogen in cross-section.
    3d illustration of virus and bacteria entering human skin. — Stock Photo
    3d illustration of virus and bacteria entering human skin.
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Side view of handsome young Caucasian male surgeon examining x-ray on light box in operation theater at hospital. — Stock Photo
    Side view of handsome young Caucasian male surgeon examining x-ray on light box in operation theater at hospital.
    Front view of Caucasian female physiotherapist helping patient walk with parallel bars in the hospital — Stock Photo
    Front view of Caucasian female physiotherapist helping patient walk with parallel bars in the hospital
    Midsection of mature woman with back pain. — Stock Photo
    Midsection of mature woman with back pain.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Low section of female physiotherapist helping female amputee patient walk with parallel bars in the hospital — Stock Photo
    Low section of female physiotherapist helping female amputee patient walk with parallel bars in the hospital
    Portrait of female nurse holding iv drip stand and smiling in hospital — Stock Photo
    Portrait of female nurse holding iv drip stand and smiling in hospital
    Front view of young mixed race female surgeon examining x-ray in operation theater at hospital. Surgeon is wearing surgical gown, cap, latex gloves, and mask — Stock Photo
    Front view of young mixed race female surgeon examining x-ray in operation theater at hospital. Surgeon is wearing surgical gown, cap, latex gloves, and mask
    Female pediatrician examining girl patient in clinic examination room — Stock Photo
    Female pediatrician examining girl patient in clinic examination room
    Deoxyribonucleic acid damage, digital illustration with concept of disease, genetic disorder and genetic engineering. — Stock Photo
    Deoxyribonucleic acid damage, digital illustration with concept of disease, genetic disorder and genetic engineering.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Side view of Caucasian male patients sleeping on bed in the ward at hospital — Stock Photo
    Side view of Caucasian male patients sleeping on bed in the ward at hospital
    Doctor examining baby with stethoscope in medical clinic. — Stock Photo
    Doctor examining baby with stethoscope in medical clinic.
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Portrait of Caucasian male surgeon looking at camera in the hospital — Stock Photo
    Portrait of Caucasian male surgeon looking at camera in the hospital
    Doctor making syringe vaccination to preschooler boy in medical clinic. — Stock Photo
    Doctor making syringe vaccination to preschooler boy in medical clinic.
    Red blood cells, abstract digital illustration. — Stock Photo
    Red blood cells, abstract digital illustration.
    Close-up of hands of paramedic treating knee injury with bandage. — Stock Photo
    Close-up of hands of paramedic treating knee injury with bandage.
    Front view of handsome mature Caucasian male doctor looking at medical report in the lobby in hospital — Stock Photo
    Front view of handsome mature Caucasian male doctor looking at medical report in the lobby in hospital
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Male skeletal, internal organs diagram and x-ray cardiovascular systems on black background. — Stock Photo
    Male skeletal, internal organs diagram and x-ray cardiovascular systems on black background.
    Female doctor drawing blood from senior male patient in clinic examination room — Stock Photo
    Female doctor drawing blood from senior male patient in clinic examination room
    Front view of disabled Caucasian female patient sitting on examining bed in the hospital — Stock Photo
    Front view of disabled Caucasian female patient sitting on examining bed in the hospital
    Mature woman with tooth ache touching face. — Stock Photo
    Mature woman with tooth ache touching face.
    Front view of peaceful mature Caucasian male patient sleeping in bed with hand on his chest in the ward in hospital — Stock Photo
    Front view of peaceful mature Caucasian male patient sleeping in bed with hand on his chest in the ward in hospital
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Nanobot attacking virus, conceptual digital illustration. — Stock Photo
    Nanobot attacking virus, conceptual digital illustration.
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background. — Stock Photo
    Human heart with vessels, lungs, bronchial tree and cut rib cage in x-ray effect on black background.
    Female doctor giving candy to girl in doctors office — Stock Photo
    Female doctor giving candy to girl in doctors office
    3d illustration of cancer cells connecting to tissue. — Stock Photo
    3d illustration of cancer cells connecting to tissue.
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Green bacteria, abstract digital illustration. — Stock Photo
    Green bacteria, abstract digital illustration.
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone. — Stock Photo
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone.
    Low section of male physiotherapist adjusting prosthetic leg of female patient in hospital — Stock Photo
    Low section of male physiotherapist adjusting prosthetic leg of female patient in hospital
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Front view of Caucasian male physiotherapist helping Caucasian female amputee patient walk with parallel bars in the hospital — Stock Photo
    Front view of Caucasian male physiotherapist helping Caucasian female amputee patient walk with parallel bars in the hospital
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Front view of beautiful mixed race female patient using mobile phone while lying on bed in the ward in hospital — Stock Photo
    Front view of beautiful mixed race female patient using mobile phone while lying on bed in the ward in hospital
    Front view of mixed race male patient looking at camera while sitting in wheelchair in hospital — Stock Photo
    Front view of mixed race male patient looking at camera while sitting in wheelchair in hospital
    Low section of disabled female patient sitting in wheelchair in the hospital — Stock Photo
    Low section of disabled female patient sitting in wheelchair in the hospital
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Anesthetist holding oxygen mask over patient mouth in operating room — Stock Photo
    Anesthetist holding oxygen mask over patient mouth in operating room
    Fungus growing on agar in Petri dish, close-up. — Stock Photo
    Fungus growing on agar in Petri dish, close-up.
    Human rib cage showing heart with vessels and bronchial tree on white background. — Stock Photo
    Human rib cage showing heart with vessels and bronchial tree on white background.
    Portrait of mixed race female surgeon holding defibrillator while looking camera in operation theater at hospital — Stock Photo
    Portrait of mixed race female surgeon holding defibrillator while looking camera in operation theater at hospital
    Portrait of disabled mixed-race boy in wheelchair with female doctor in the corridor at hospital — Stock Photo
    Portrait of disabled mixed-race boy in wheelchair with female doctor in the corridor at hospital
    Front view of handsome middle aged Caucasian male surgeon marking beautiful Caucasian woman face before surgery in hospital — Stock Photo
    Front view of handsome middle aged Caucasian male surgeon marking beautiful Caucasian woman face before surgery in hospital
    Front view of Caucasian female physiotherapist helping mixed-race female patient walk with walker in the hospital — Stock Photo
    Front view of Caucasian female physiotherapist helping mixed-race female patient walk with walker in the hospital
    High angle view of Caucasian female surgeon examining pregnant woman during delivery in operating room at hospital — Stock Photo
    High angle view of Caucasian female surgeon examining pregnant woman during delivery in operating room at hospital
    Female pediatrician examining girl in clinic examination room — Stock Photo
    Female pediatrician examining girl in clinic examination room
    Front view of Caucasian female physiotherapist adjusting prosthetic leg of female patient in hospital — Stock Photo
    Front view of Caucasian female physiotherapist adjusting prosthetic leg of female patient in hospital
    Front view of mature mixed-race female patient sleeping in bed in the ward at hospital — Stock Photo
    Front view of mature mixed-race female patient sleeping in bed in the ward at hospital
    Front view of mixed race female doctor in hijab interacting with Caucasian male patient in the ward in hospital — Stock Photo
    Front view of mixed race female doctor in hijab interacting with Caucasian male patient in the ward in hospital
    Midsection of mature woman with stomach pain. — Stock Photo
    Midsection of mature woman with stomach pain.