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    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Side view of male doctor in protective uniform, latex gloves and face shield vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak — Stock Photo
    Side view of male doctor in protective uniform, latex gloves and face shield vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak
    Mother putting on a respirator for her child to avoid possible infection — Stock Photo
    Mother putting on a respirator for her child to avoid possible infection
    African American man patient holding cotton with alcohol disinfecting arm after covid vaccine procedure in clinic during coronavirus outbreak — Stock Photo
    African American man patient holding cotton with alcohol disinfecting arm after covid vaccine procedure in clinic during coronavirus outbreak
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens — Stock Photo
    Antibodies binding influenza virus. Illustration of human antibodies (orange) neutralizing a influenza virus particle (blue). Each Y-shaped molecule has two arms that can bind to specific antigens
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating anonymous African American mature woman patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating anonymous African American mature woman patient in clinic during coronavirus outbreak
    Lymphatic and skeletal systems — Stock Photo
    Lymphatic and skeletal systems
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating hispanic man patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating hispanic man patient in clinic during coronavirus outbreak
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Illustration of leucocyte cell surrounded by antibodies on white background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on white background.
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Woman cleaning her hands with alcohol antiseptic gel to prevent infection — Stock Photo
    Woman cleaning her hands with alcohol antiseptic gel to prevent infection
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Side black doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak — Stock Photo
    Side black doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak
    Cropped unrecognizable male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Side view of male doctor in protective uniform, latex gloves and face shield vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak — Stock Photo
    Side view of male doctor in protective uniform, latex gloves and face shield vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak
    Cheerful female medical specialist in protective uniform, latex gloves and face mask talking to African American female patient before vaccinating in clinic during coronavirus outbreak — Stock Photo
    Cheerful female medical specialist in protective uniform, latex gloves and face mask talking to African American female patient before vaccinating in clinic during coronavirus outbreak
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Antibody, or immunoglobulin molecules — Stock Photo
    Antibody, or immunoglobulin molecules
    Lymphatic system of male upper body, computer illustration. — Stock Photo
    Lymphatic system of male upper body, computer illustration.
    Male lymphatic system of neck, digital illustration. — Stock Photo
    Male lymphatic system of neck, digital illustration.
    Antibodies attacking virus particle, 3d illustration — Stock Photo
    Antibodies attacking virus particle, 3d illustration
    Lymphatic system of male upper body, computer illustration. — Stock Photo
    Lymphatic system of male upper body, computer illustration.
    Bacterial infection spreading in bloodstream — Stock Photo
    Bacterial infection spreading in bloodstream
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Cheerful female medical specialist in protective uniform, latex gloves and face mask talking to African American female patient before vaccinating in clinic during coronavirus outbreak — Stock Photo
    Cheerful female medical specialist in protective uniform, latex gloves and face mask talking to African American female patient before vaccinating in clinic during coronavirus outbreak
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak — Stock Photo
    Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak
    Female body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Female body showing skeleton and lymphatic system, digital illustration.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Female body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Female body showing skeleton and lymphatic system, digital illustration.
    Digital illustration of senior man anatomy showing lymphatic system. — Stock Photo
    Digital illustration of senior man anatomy showing lymphatic system.
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19 — Stock Photo
    Illustration of person being vaccinated against Covid-19. injection has stimulated production of different antibodies against proteins on SARS-CoV-2 virus causes Covid-19
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American man patient in clinic during coronavirus outbreak
    Mother putting on a respirator for her child to avoid possible infection — Stock Photo
    Mother putting on a respirator for her child to avoid possible infection
    Antibody, or immunoglobulin molecules — Stock Photo
    Antibody, or immunoglobulin molecules
    Lymphatic and skeletal systems of adult — Stock Photo
    Lymphatic and skeletal systems of adult
    Male lymphatic system of neck, digital illustration. — Stock Photo
    Male lymphatic system of neck, digital illustration.
    Cropped unrecognizable nurse in latex gloves and uniform vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable nurse in latex gloves and uniform vaccinating African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic. — Stock Photo
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M
    Digital artwork of white blood cells attacking green illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking green illuminated cancer cell.
    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.
    Side black doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak — Stock Photo
    Side black doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Abstract female model with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract female model with visible skeleton and lymphatic system, computer illustration.
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Female doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak — Stock Photo
    Female doctor in protective uniform and latex gloves vaccinating male African American patient in clinic during coronavirus outbreak
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.