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    Thyroid cancer cells, illustration. — Stock Photo
    Thyroid cancer cells, illustration.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    Illustration of spleen cancer in male body silhouette on black background. — Stock Photo
    Illustration of spleen cancer in male body silhouette on black background.
    Female anatomical silhouette with breast disease, conceptual computer illustration. — Stock Photo
    Female anatomical silhouette with breast disease, conceptual computer illustration.
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration.
    Ankle of patient with osteoarthritis — Stock Photo
    Ankle of patient with osteoarthritis
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia. — Stock Photo
    Digital illustration of abnormal white blood cells B-lymphocytes while hairy cell leukaemia.
    Digital illustration of Escherichia coli bacteria. — Stock Photo
    Digital illustration of Escherichia coli bacteria.
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, digital illustration and light micrograph.
    Woman with bipolar disorder shopping in supermarket — Stock Photo
    Woman with bipolar disorder shopping in supermarket
    Skull with an extradural haematoma — Stock Photo
    Skull with an extradural haematoma
    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.
    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.
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles) — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration. Y. pestis are gram-negative bacteria from the Enterobacteriaceae family, they have an ovoid shape with bipolar staining (more intensively stained at poles)
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    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.
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Illustration of senior man silhouette with visible thyroid gland. — Stock Photo
    Illustration of senior man silhouette with visible thyroid gland.
    Yellow fever virus — Stock Photo
    Yellow fever virus
    Portrait of a woman with bipolar disorder at city street — Stock Photo
    Portrait of a woman with bipolar disorder at city street
    Illustration of female silhouette with highlighted adrenal gland. — Stock Photo
    Illustration of female silhouette with highlighted adrenal gland.
    Diseased gallbladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased gallbladder in abstract human body, conceptual digital illustration.
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Illustration of thyroid tumour in realistic skeleton. — Stock Photo
    Illustration of thyroid tumour in realistic skeleton.
    Abstract transparent male body with glowing spleen cancer, digital illustration. — Stock Photo
    Abstract transparent male body with glowing spleen cancer, digital illustration.
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre). — Stock Photo
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre).
    Cell infected with virus particles causing a programmed cell death, 3d illustration — Stock Photo
    Cell infected with virus particles causing a programmed cell death, 3d illustration
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Close-up of bacterial gonorrhoea infection in female body, digital illustration. — Stock Photo
    Close-up of bacterial gonorrhoea infection in female body, digital illustration.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    View of arachnoid cyst — Stock Photo
    View of arachnoid cyst
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    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.
    Illustration of small intestine cancer in male body silhouette on black background. — Stock Photo
    Illustration of small intestine cancer in male body silhouette on black background.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Syphilis ulcer on penis — Stock Photo
    Syphilis ulcer on penis
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration. — Stock Photo
    Lungs pneumonia and close-up of Haemophilus influenzae bacteria, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    Focus of inflammation localized in elbow joint — Stock Photo
    Focus of inflammation localized in elbow joint
    Brain cancer, conceptual computer illustration — Stock Photo
    Brain cancer, conceptual computer illustration
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver — Stock Photo
    Liver cirrhosis. Computer illustration and light micrograph of a section through a human liver with from primary biliary cirrhosis. Cirrhosis is a disease in which bands of fibrosis (internal scarring) break up the internal structure of the liver
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Illustration of female silhouette with highlighted thyroid gland. — Stock Photo
    Illustration of female silhouette with highlighted thyroid gland.
    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
    Diseased lungs in transparent female body on black background, computer illustration. — Stock Photo
    Diseased lungs in transparent female body on black background, computer illustration.
    Woman with bipolar disorder smoking a cigarette — Stock Photo
    Woman with bipolar disorder smoking a cigarette
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens. — Stock Photo
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens.
    Smiling Latin teenage boy with Down syndrome standing with crossed arms in room at home and looking at camera — Stock Photo
    Smiling Latin teenage boy with Down syndrome standing with crossed arms in room at home and looking at camera
    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital 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
    3d rendered illustration of blue silhouette of man with headache on white background. — Stock Photo
    3d rendered illustration of blue silhouette of man with headache on white background.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis