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    Two people looking at King Penguins — Stock Photo
    Two people looking at King Penguins
    Illustration of human silhouette with painful intestine. — Stock Photo
    Illustration of human silhouette with painful intestine.
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3) — Stock Photo
    Computer illustration of a varicella zoster virus particles, the cause of chickenpox and shingles. Varicella zoster virus is also known as human herpes virus type 3 (HHV-3)
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Illustration of transparent blue silhouette of male body with colored kidney cancer. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored kidney cancer.
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells in the stage of schizont, computer illustration
    Illustration of blue cancer cell on blue background. — Stock Photo
    Illustration of blue cancer cell on blue background.
    3d rendered illustration of blue silhouette of male legs with painful calf on white background. — Stock Photo
    3d rendered illustration of blue silhouette of male legs with painful calf on white background.
    Pacemaker in heart disease — Stock Photo
    Pacemaker in heart disease
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Virus particle, computer illustration — Stock Photo
    Virus particle, computer illustration
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia.
    Conceptual digital illustration of medical nanorobot attacking cancerous cell. — Stock Photo
    Conceptual digital illustration of medical nanorobot attacking cancerous cell.
    Human silhouette showing lung cancer tumor, conceptual illustration. — Stock Photo
    Human silhouette showing lung cancer tumor, conceptual illustration.
    3d rendered illustration of little tick on skin surface. — Stock Photo
    3d rendered illustration of little tick on skin surface.
    Diseased bladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased bladder in abstract human body, conceptual digital illustration.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Disabled young man using laptop at home — Stock Photo
    Disabled young man using laptop at home
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Cancer cell structure and shape — Stock Photo
    Cancer cell structure and shape
    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.
    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
    Disabled man using mobile phone at home — Stock Photo
    Disabled man using mobile phone at home
    Disabled man ringing the door bell of his home — Stock Photo
    Disabled man ringing the door bell of his home
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites in blood vessel causing Chagas disease.
    View of narrow dirty and grungy street flooded with water and trash floating on top — Stock Photo
    View of narrow dirty and grungy street flooded with water and trash floating on top
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Cancer cells, computer illustration — Stock Photo
    Cancer cells, computer illustration
    Elementary age Asian girl wearing medical identification tag. — Stock Photo
    Elementary age Asian girl wearing medical identification tag.
    Digital illustration of inner structure and RNA of human respiratory syncytial virus. — Stock Photo
    Digital illustration of inner structure and RNA of human respiratory syncytial virus.
    Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection. — Stock Photo
    Digital illustration of blastocystis hominis parasites, causative agents of diarrheal infection.
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Breast cancer. Illustration of malignant (cancerous) tumour (red) in woman breast — Stock Photo
    Breast cancer. Illustration of malignant (cancerous) tumour (red) in woman breast
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Disabled young man using laptop at home — Stock Photo
    Disabled young man using laptop at home
    Bacteria cells on white background, digital illustration. — Stock Photo
    Bacteria cells on white background, digital illustration.
    Illustration of cancerous tumour in female lung. — Stock Photo
    Illustration of cancerous tumour in female lung.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    3d rendered illustration of blue silhouette of man with chest pain. — Stock Photo
    3d rendered illustration of blue silhouette of man with chest pain.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Illustration of human silhouette with inflamed gallbladder. — Stock Photo
    Illustration of human silhouette with inflamed gallbladder.
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Transparent male body with liver cancer, digital illustration. — Stock Photo
    Transparent male body with liver cancer, digital illustration.
    Emergency team pushing hospital gurney with patient in corridor. — Stock Photo
    Emergency team pushing hospital gurney with patient in corridor.
    Abstract transparent male body with glowing larynx cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing larynx cancer, digital 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.
    Western Hemlock sapling in lush — Stock Photo
    Western Hemlock sapling in lush
    Diseased lungs in transparent male body on white background, computer illustration. — Stock Photo
    Diseased lungs in transparent male body on white background, computer illustration.
    Car driving on road — Stock Photo
    Car driving on road
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Medical illustration of pancreas cancer in female silhouette. — Stock Photo
    Medical illustration of pancreas cancer in female silhouette.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.