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    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, digital illustration.
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital 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)
    Cropped unrecognizable male medical specialist in protective uniform and latex gloves vaccinating African American female patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable male medical specialist in protective uniform and latex gloves vaccinating African American female patient in clinic during coronavirus outbreak
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Lymph nodes of male shoulder, computer illustration. — Stock Photo
    Lymph nodes of male shoulder, computer illustration.
    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
    Side view of male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak — Stock Photo
    Side view of male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak
    B cells and antibodies, computer illustration. — Stock Photo
    B cells and antibodies, computer illustration.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Plasma cell and antibodies — Stock Photo
    Plasma cell and antibodies
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital 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
    IV bag with various fruits, studio shot. — Stock Photo
    IV bag with various fruits, studio shot.
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and 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
    Side view of female lymphatic system of head and neck, digital illustration. — Stock Photo
    Side view of female lymphatic system of head and neck, digital illustration.
    Lymph nodes of male neck and head, computer illustration. — Stock Photo
    Lymph nodes of male neck and head, 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
    Syringe, medical injection in hand. Vaccination kit. Nurse — Stock Photo
    Syringe, medical injection in hand. Vaccination kit. Nurse
    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
    Close-up of a macrophage, illustration. — Stock Photo
    Close-up of a macrophage, illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate male African American patient in white background in a clinic during coronavirus outbreak — Stock Photo
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate male African American patient in white background in a clinic during coronavirus outbreak
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Abdominal lymph nodes in male body, computer illustration. — Stock Photo
    Abdominal lymph nodes in male body, computer illustration.
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic. — Stock Photo
    Coronavirus vaccine, woman get vaccine during coronavirus pandemic.
    Side view of unrecognizable male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak — Stock Photo
    Side view of unrecognizable male medical specialist in protective uniform, latex gloves and face shield vaccinating African American female patient in clinic during coronavirus outbreak
    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
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital 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
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, 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
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American mature woman patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask vaccinating African American mature woman patient in clinic during coronavirus outbreak
    Man in defensive pose, computer illustration — Stock Photo
    Man in defensive pose, computer illustration
    Immune response to cancer — Stock Photo
    Immune response to cancer
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    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
    Abdominal lymph nodes in male body, computer illustration. — Stock Photo
    Abdominal lymph nodes in male body, computer illustration.
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells — Stock Photo
    Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells
    3d illustration of activated platelets and thrombocytes while healing and closure of wound. — Stock Photo
    3d illustration of activated platelets and thrombocytes while healing and closure of wound.
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital illustration.
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Lymph nodes of male shoulder, computer illustration. — Stock Photo
    Lymph nodes of male shoulder, computer illustration.
    Activation of T-cell immune response, illustration. — Stock Photo
    Activation of T-cell immune response, illustration.
    Cancerous white blood cell in leukaemia — Stock Photo
    Cancerous white blood cell in leukaemia
    Digital artwork of white blood cells attacking green illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking green illuminated cancer cell.
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.