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    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Colored digital illustration of red cancer cells. — Stock Photo
    Colored digital illustration of red cancer cells.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Digital artwork of white blood cells attacking illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking illuminated cancer cell.
    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.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Blond boy, wearing a respirator and showing stop sign — Stock Photo
    Blond boy, wearing a respirator and showing stop sign
    Digital illustration of virus particles on plain background. — Stock Photo
    Digital illustration of virus particles on plain background.
    Blue rod-shaped bacteria on white background, digital illustration. — Stock Photo
    Blue rod-shaped bacteria on white background, digital illustration.
    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 illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Digital illustration of red virus particles on plain background. — Stock Photo
    Digital illustration of red virus particles on plain background.
    Digital illustration of trypanosomes in red blood cells in blood causing sleeping sickness. — Stock Photo
    Digital illustration of trypanosomes in red blood cells in blood causing sleeping sickness.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Cancer cell attacked by T cell — Stock Photo
    Cancer cell attacked by T cell
    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.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Pathology of Tooth decay — Stock Photo
    Pathology of Tooth decay
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    Tropheryma whipplei causative bacteria in human duodenum, digital illustration. — Stock Photo
    Tropheryma whipplei causative bacteria in human duodenum, digital illustration.
    Microscopic Simulation Of COVID-19 Virus Pattern In Background — Stock Photo
    Microscopic Simulation Of COVID-19 Virus Pattern In Background
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma. — Stock Photo
    Colon cancer, digital illustration and light micrograph showing colon adenocarcinoma.
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration. — Stock Photo
    Pneumonia caused by Streptococcus pneumoniae bacteria, conceptual illustration.
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    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
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria, cause of Legionnaires disease.
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    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.
    Digital illustration of human digestive system and microscopic images of bacteria. — Stock Photo
    Digital illustration of human digestive system and microscopic images of bacteria.
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection. — Stock Photo
    Illustration of rod-shaped bacteria inside alveoli of lungs causing lower respiratory tract infection.
    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 Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Digital illustration and light micrograph of squamous cell carcinoma of lung. — Stock Photo
    Digital illustration and light micrograph of squamous cell carcinoma of lung.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of grey hepatisation or late consolidation, digital illustration and light micrograph.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Pulmonary edema, digital illustration. — Stock Photo
    Pulmonary edema, digital illustration.
    Illustration of illuminated red human cancer cells. — Stock Photo
    Illustration of illuminated red human cancer cells.
    Conceptual illustration of piece of cake and magnification of bacterium of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacterium of food-borne infection on white background.
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    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
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    3d illustration of Coxiella burnetii bacteria. This bacterium affects humans and other animals such as cattle, sheep, goats, cats and dogs. It is the cause of Q fever, a highly infectious, influenza-like, febrile illness — Stock Photo
    3d illustration of Coxiella burnetii bacteria. This bacterium affects humans and other animals such as cattle, sheep, goats, cats and dogs. It is the cause of Q fever, a highly infectious, influenza-like, febrile illness
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Infected human bronchus — Stock Photo
    Infected human bronchus