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    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Digital illustration of human digestive system and close-up of Escherichia coli bacteria. — Stock Photo
    Digital illustration of human digestive system and close-up of Escherichia coli bacteria.
    Medical samples — Stock Photo
    Medical samples
    Illustration of blue illuminated cancer cell. — Stock Photo
    Illustration of blue illuminated cancer cell.
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasites in blood causing sleeping sickness transmitted by blood.
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Medical samples — Stock Photo
    Medical samples
    Robotic hand holding vial containing coronavirus — Stock Photo
    Robotic hand holding vial containing coronavirus
    Conceptual image of polyomavirus cells — Stock Photo
    Conceptual image of polyomavirus cells
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    T-cell attached to cancer cell — Stock Photo
    T-cell attached to cancer cell
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    Cancer cell attacked by T cell — Stock Photo
    Cancer cell attacked by T cell
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    Cancer cell with T-cell, — Stock Photo
    Cancer cell with T-cell,
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    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.
    A man in a EPI virus suit and a gas mask on his face with the city in the background — Stock Photo
    A man in a EPI virus suit and a gas mask on his face with the city in the background
    Digital illustration of fatty heart and coronary artery narrowed by fatty plaque. — Stock Photo
    Digital illustration of fatty heart and coronary artery narrowed by fatty plaque.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Feline caliciviruses particles — Stock Photo
    Feline caliciviruses particles
    Woman cleaning her hands with alcohol antiseptic gel to prevent infection — Stock Photo
    Woman cleaning her hands with alcohol antiseptic gel to prevent infection
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Close-up of stacked Petri dishes with agar for microbiology research. — Stock Photo
    Close-up of stacked Petri dishes with agar for microbiology research.
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria. — Stock Photo
    Digital artwork of Clostridium perfringens Gram-positive rod-shaped bacteria.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Graphical representation of a single Norovirus virion on white background — Stock Photo
    Graphical representation of a single Norovirus virion on white background
    T-cell attached to cancer cell — Stock Photo
    T-cell attached to cancer cell
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Respiratory syncytial virus — Stock Photo
    Respiratory syncytial virus
    Blond boy, about 8 years old, wearing a respirator to co-infect himself with a virus — Stock Photo
    Blond boy, about 8 years old, wearing a respirator to co-infect himself with a virus
    Malignant tumor in a woman breast — Stock Photo
    Malignant tumor in a woman breast
    Swine influenza virus microscopic view — Stock Photo
    Swine influenza virus microscopic view
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    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.
    Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual illustration. — Stock Photo
    Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual 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
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Animal Cells in culture — Stock Photo
    Animal Cells in culture