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    Human lungs with pneumonia and close-up of bacteria and viruses. — Stock Photo
    Human lungs with pneumonia and close-up of bacteria and viruses.
    3d rendered illustration of blue silhouette of man with chest pain on white background. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain on white background.
    Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo
    Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection.
    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
    Brain with aneurysm in the middle cerebral artery — Stock Photo
    Brain with aneurysm in the middle cerebral artery
    Painful hip joint, computer illustration — Stock Photo
    Painful hip joint, computer illustration
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration.
    Intestinal villi, computer illustration — Stock Photo
    Intestinal villi, computer illustration
    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
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Digital illustration of human hair with dandruff. — Stock Photo
    Digital illustration of human hair with dandruff.
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    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
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Abstract transparent male body with glowing stomach cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing stomach cancer, digital illustration.
    Osteoarthritis of the hip — Stock Photo
    Osteoarthritis of the hip
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Illustration of female silhouette with highlighted rectum cancer. — Stock Photo
    Illustration of female silhouette with highlighted rectum cancer.
    Illustration of human silhouette with inflamed colon. — Stock Photo
    Illustration of human silhouette with inflamed colon.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection. — Stock Photo
    3D illustration of blastocystis hominis parasite, causative agent of diarrheal infection.
    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses — Stock Photo
    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses
    Listeria monocytogenes bacteria, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis — Stock Photo
    Listeria monocytogenes bacteria, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis
    Digital artwork of white blood cells attacking illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking illuminated cancer cell.
    3d illustration of colored red brain cancer cell connecting to tissue. — Stock Photo
    3d illustration of colored red brain cancer cell connecting to tissue.
    Medical illustration of spleen cancer in female silhouette. — Stock Photo
    Medical illustration of spleen cancer in female silhouette.
    Macrophage (purple) and cancer cells (red), illustration. — Stock Photo
    Macrophage (purple) and cancer cells (red), illustration.
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Uterine cancer in female body, conceptual computer illustration. — Stock Photo
    Uterine cancer in female body, conceptual computer illustration.
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine. — Stock Photo
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine.
    Illustration of testicle cancer in human body silhouette. — Stock Photo
    Illustration of testicle cancer in human body silhouette.
    Illustration of adrenal glands in transparent male silhouette. — Stock Photo
    Illustration of adrenal glands in transparent male silhouette.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Illustration of painful wrist in human skeleton part. — Stock Photo
    Illustration of painful wrist in human skeleton part.
    Digital artwork of red cancer cell on tissue surface. — Stock Photo
    Digital artwork of red cancer cell on tissue surface.
    3d illustration of a schistosome fluke (Schistosoma mansoni) — Stock Photo
    3d illustration of a schistosome fluke (Schistosoma mansoni)
    Illustration of cancerous tumour in female uterus. — Stock Photo
    Illustration of cancerous tumour in female uterus.
    Illustration of bladder cancer in human body silhouette. — Stock Photo
    Illustration of bladder cancer in human body silhouette.
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Pancreas cancer in male body, computer illustration. — Stock Photo
    Pancreas cancer in male body, computer illustration.
    Illustration of human rectum in body silhouette. — Stock Photo
    Illustration of human rectum in body silhouette.
    Illustration of abstract conceptual cancer monster. — Stock Photo
    Illustration of abstract conceptual cancer monster.
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue. — Stock Photo
    Oesophageal cancer, computer illustration and light micrograph of cancer tissue.
    Digital illustration of trypanosome parasite causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite causing Chagas disease.
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum cell, causative agent of tropical malaria, digital illustration.
    Lung cancer, digital illustration and light micrograph of cancerous tissue. — Stock Photo
    Lung cancer, digital illustration and light micrograph of cancerous tissue.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Sickle cell anemia — Stock Photo
    Sickle cell anemia
    Digital artwork of silhouette with liver and close-up of hepatitis C virus particles. — Stock Photo
    Digital artwork of silhouette with liver and close-up of hepatitis C virus particles.
    Coloured frontal X-ray of a blocked intestine (upper centre). — Stock Photo
    Coloured frontal X-ray of a blocked intestine (upper centre).
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis. — Stock Photo
    Digital illustration of gross anatomy of kidneys with chronic glomerulonephritis.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.