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    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Female body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Female body showing skeleton and lymphatic system, digital illustration.
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Illustration of antibodies against SARS-CoV-2 virus that causes Covid-19 inside person wearing face mask. antibodies have been produced by body after vaccination, giving recipient immunity to disease — Stock Photo
    Illustration of antibodies against SARS-CoV-2 virus that causes Covid-19 inside person wearing face mask. antibodies have been produced by body after vaccination, giving recipient immunity to disease
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Street of Milan during coronavirus quarantine, ,COVID-19 lifestyle, Court of Milan, Milan, lombardy, Italy, Europe — Stock Photo
    Street of Milan during coronavirus quarantine, ,COVID-19 lifestyle, Court of Milan, Milan, lombardy, Italy, Europe
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration.
    Female upper body lymphatic system, computer illustration. — Stock Photo
    Female upper body lymphatic system, computer illustration.
    Female thoracic lymph nodes, computer illustration. — Stock Photo
    Female thoracic lymph nodes, computer illustration.
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Digital illustration of senior man anatomy showing lymphatic system. — Stock Photo
    Digital illustration of senior man anatomy showing lymphatic system.
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in oocyst form causing of cryptosporidiosis, digital illustration.
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Dendritic cell on plain background, digital illustration. — Stock Photo
    Dendritic cell on plain background, digital illustration.
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Digital illustration of senior man anatomy showing lymphatic system. — Stock Photo
    Digital illustration of senior man anatomy showing lymphatic system.
    Digital illustration of immunoglobulin in blood. — Stock Photo
    Digital illustration of immunoglobulin in blood.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Abstract male body with visible lymphatic system, digital illustration. — Stock Photo
    Abstract male body with visible lymphatic system, digital illustration.
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Antibodies proteins particles — Stock Photo
    Antibodies proteins particles
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) binding to cancer cells (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Transparent male silhouette with colored spleen, computer illustration. — Stock Photo
    Transparent male silhouette with colored spleen, computer illustration.
    Illustration of spleen in silhouette of female body. — Stock Photo
    Illustration of spleen in silhouette of female body.
    RNA vaccine, conceptual illustration. molecule of RNA (ribonucleic acid, blue helix) is being injected at right. RNA is taken up and read by body cells, causing them to produce copies of viral proteins (red) — Stock Photo
    RNA vaccine, conceptual illustration. molecule of RNA (ribonucleic acid, blue helix) is being injected at right. RNA is taken up and read by body cells, causing them to produce copies of viral proteins (red)
    Lymph nodes of male shoulder, computer illustration. — Stock Photo
    Lymph nodes of male shoulder, computer illustration.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe — Stock Photo
    People in subway of Milan during coronavirus quarantine,COVID-19 lifestyle, Duomo subway station, Lombardy, Italy, Europe
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses
    White blood cells — Stock Photo
    White blood cells
    Illustration of HIV particles in blood. — Stock Photo
    Illustration of HIV particles in blood.
    Antibody molecular structure — Stock Photo
    Antibody molecular structure
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Transparent female body with visible lymphatic system, digital illustration. — Stock Photo
    Transparent female body with visible lymphatic system, digital illustration.
    Lymphatic and skeletal systems — Stock Photo
    Lymphatic and skeletal systems
    Female abdominal lymph nodes, computer illustration. — Stock Photo
    Female abdominal lymph nodes, computer illustration.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Abstract male body with visible skeleton and lymphatic system, computer illustration. — Stock Photo
    Abstract male body with visible skeleton and lymphatic system, computer illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Illustration of senior man silhouette with visible spleen. — Stock Photo
    Illustration of senior man silhouette with visible spleen.
    Digital artwork of white blood cells attacking green illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking green illuminated cancer cell.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.