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    IV bag with various fruits, studio shot. — Stock Photo
    IV bag with various fruits, studio shot.
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Cropped unrecognizable doctor in protective uniform, latex gloves and face shield disinfecting African American female patient arm with cotton and alcohol preparing to vaccinate inside the car on a drive through mobile clinic during coronavirus outbr — Stock Photo
    Cropped unrecognizable doctor in protective uniform, latex gloves and face shield disinfecting African American female patient arm with cotton and alcohol preparing to vaccinate inside the car on a drive through mobile clinic during coronavirus outbr
    Neutrophil in human blood, computer illustration. — Stock Photo
    Neutrophil in human blood, computer illustration.
    Cropped black doctor in protective uniform and latex gloves vaccinating unrecognizable male African American patient in clinic during coronavirus outbreak — Stock Photo
    Cropped black doctor in protective uniform and latex gloves vaccinating unrecognizable male African American patient in clinic during coronavirus outbreak
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Neck lymph nodes of female body, computer illustration. — Stock Photo
    Neck lymph nodes of female body, computer illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    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.
    Unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American female patient in clinic during coronavirus outbreak — Stock Photo
    Unrecognizable female medical specialist in protective uniform, latex gloves and face mask vaccinating African American female patient in clinic during coronavirus outbreak
    Crop hands of anonymous doctor in latex gloves filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable male African American patient in clinic during coronavirus outbreak — Stock Photo
    Crop hands of anonymous doctor in latex gloves filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable male African American patient in clinic during coronavirus outbreak
    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)
    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
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic. — Stock Photo
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic.
    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
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 (sphere) — Stock Photo
    Illustration of antibodies (y-shaped) responding to an infection with the new coronavirus SARS-CoV-2 (sphere)
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    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
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Illustration of antibodies responding to an infection with the SARS-CoV-2 coronavirus (centre). The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia and be fatal in some cases — Stock Photo
    Illustration of antibodies responding to an infection with the SARS-CoV-2 coronavirus (centre). The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia and be fatal in some cases
    Megakaryocyte in human blood, computer illustration. — Stock Photo
    Megakaryocyte in human blood, computer illustration.
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    COVID-19 immunity passport on table with technology — Stock Photo
    COVID-19 immunity passport on table with technology
    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 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
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    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)
    Abstract female model with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract female model with visible skeleton and lymphatic system, computer illustration.
    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
    IV bag with various fruits, studio shot. — Stock Photo
    IV bag with various fruits, studio shot.
    Monocyte white blood cell, digital illustration. — Stock Photo
    Monocyte white blood cell, digital illustration.
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital illustration.
    Male lymphatic system of neck, digital illustration. — Stock Photo
    Male lymphatic system of neck, digital illustration.
    Abdominal lymph nodes in overweight female body, computer illustration. — Stock Photo
    Abdominal lymph nodes in overweight female body, computer illustration.
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system — Stock Photo
    Illustration of a dendritic cell, a type of white blood cell that is a component of the body's immune system
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Lymph nodes of male neck and head, computer illustration. — Stock Photo
    Lymph nodes of male neck and head, computer illustration.
    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
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    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
    Cytotoxic T-cells capturing cancer cells, digital illustration. — Stock Photo
    Cytotoxic T-cells capturing cancer cells, digital illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    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
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Female medical specialist in protective uniform and latex gloves vaccinating senior female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform and latex gloves vaccinating senior female patient in clinic during coronavirus outbreak
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex
    African American friends with faces protective mask with adhesive bandage plaster on arm after getting the vaccination standing together on black background in a clinic during coronavirus outbreak — Stock Photo
    African American friends with faces protective mask with adhesive bandage plaster on arm after getting the vaccination standing together on black background in a clinic during coronavirus outbreak
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate patient in white background in a clinic during coronavirus outbreak — Stock Photo
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate patient in white background in a clinic during coronavirus outbreak
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    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
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    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
    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