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    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on grey background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on grey background.
    Illustration of back bones in human skeleton. — Stock Photo
    Illustration of back bones in human skeleton.
    Illustration of silhouette of obese man with visible lungs. — Stock Photo
    Illustration of silhouette of obese man with visible lungs.
    Illustration of lower back pain in human skeleton on blue background. — Stock Photo
    Illustration of lower back pain in human skeleton on blue background.
    Conceptual shot of Lagoon Nebula Rising over Jasper Forest, Petrified Forest National Park, Arizona, USA — Stock Photo
    Conceptual shot of Lagoon Nebula Rising over Jasper Forest, Petrified Forest National Park, Arizona, USA
    3d rendered illustration of cyclist spine while biking on black background. — Stock Photo
    3d rendered illustration of cyclist spine while biking on black background.
    Nipah virus particles, digital artwork. — Stock Photo
    Nipah virus particles, digital artwork.
    3d rendered illustration of human knee on white background. — Stock Photo
    3d rendered illustration of human knee on white background.
    Digital 3d illustration of transmitting nerve cells. — Stock Photo
    Digital 3d illustration of transmitting nerve cells.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Magnified digital illustration of dendritic cell. — Stock Photo
    Magnified digital illustration of dendritic cell.
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach mucinous adenocarcinoma, computer illustration and light micrograph.
    Ribcage and upper-body skeletal structure — Stock Photo
    Ribcage and upper-body skeletal structure
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly.
    3d rendered illustration of blue silhouette of male legs with painful calf on black background. — Stock Photo
    3d rendered illustration of blue silhouette of male legs with painful calf on black background.
    Digital illustration of budding yeast cells Saccharomyces cerevisiae. — Stock Photo
    Digital illustration of budding yeast cells Saccharomyces cerevisiae.
    Illustration of cervical spine in human skeleton. — Stock Photo
    Illustration of cervical spine in human skeleton.
    Medical illustration of twins in human womb. — Stock Photo
    Medical illustration of twins in human womb.
    Digital illustration of painful knee in human skeleton. — Stock Photo
    Digital illustration of painful knee in human skeleton.
    Cross section of an espresso coffee maker, coffee and a cup — Stock Photo
    Cross section of an espresso coffee maker, coffee and a cup
    Urban youth confronting multicolored adults on London street — Stock Photo
    Urban youth confronting multicolored adults on London street
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Human scalp with dandruff, digital illustration. — Stock Photo
    Human scalp with dandruff, digital illustration.
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    3d rendered illustration of blue silhouette of man with backache. — Stock Photo
    3d rendered illustration of blue silhouette of man with backache.
    Human brain and spinal cord, computer illustration — Stock Photo
    Human brain and spinal cord, computer illustration
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Sitting in chair male silhouette with arm pain, digital illustration. — Stock Photo
    Sitting in chair male silhouette with arm pain, digital illustration.
    Bacterial colony in culture — Stock Photo
    Bacterial colony in culture
    Bending female silhouette with back pain, digital illustration. — Stock Photo
    Bending female silhouette with back pain, digital illustration.
    3d rendered illustration of medial meniscus in human skeleton. — Stock Photo
    3d rendered illustration of medial meniscus in human skeleton.
    Illustration of knee bones in human skeleton on white background. — Stock Photo
    Illustration of knee bones in human skeleton on white background.
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia. — Stock Photo
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia.
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Malignant tumor in the colon — Stock Photo
    Malignant tumor in the colon
    Illustration of painful cervical spine in human skeleton part. — Stock Photo
    Illustration of painful cervical spine in human skeleton part.
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium — Stock Photo
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Illustration of silhouette of obese man with visible larynx. — Stock Photo
    Illustration of silhouette of obese man with visible larynx.
    Illustration of aortic aneurysm in human heart. — Stock Photo
    Illustration of aortic aneurysm in human heart.
    Human fetus developing at week 36, computer illustration. — Stock Photo
    Human fetus developing at week 36, computer illustration.
    Illustration of abstract cancer cell with tentacles. — Stock Photo
    Illustration of abstract cancer cell with tentacles.
    Illustration of human fetus at week 38 on black background. — Stock Photo
    Illustration of human fetus at week 38 on black background.
    Side view of Human spine — Stock Photo
    Side view of Human spine
    Human fetus at week 24, digital illustration. — Stock Photo
    Human fetus at week 24, digital illustration.
    Nanomachines working on red and white blood cells, digital illustration. — Stock Photo
    Nanomachines working on red and white blood cells, digital illustration.
    Illustration of fungus Candida auris — Stock Photo
    Illustration of fungus Candida auris
    Esophageal cancer in male body, abstract digital illustration. — Stock Photo
    Esophageal cancer in male body, abstract digital illustration.
    Digital illustration of painful atlas bone in human skeleton. — Stock Photo
    Digital illustration of painful atlas bone in human skeleton.
    Safety of drinking water. Conceptual illustration showing cysts of Giardia intestinalis parasite in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing cysts of Giardia intestinalis parasite in drop of water from tap.
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3) — Stock Photo
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3)