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    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Digital artwork of human sperm on plain background. — Stock Photo
    Digital artwork of human sperm on plain background.
    Coronavirus particle, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particle, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Digital artwork of DNA strand on plain background. — Stock Photo
    Digital artwork of DNA strand on plain background.
    Human skeletal system — Stock Photo
    Human skeletal system
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Infected bronchus with mucus — Stock Photo
    Infected bronchus with mucus
    Digital illustration of Lyme disease tick parasite. — Stock Photo
    Digital illustration of Lyme disease tick parasite.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    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.
    Discus thrower skeletal system, digital illustration. — Stock Photo
    Discus thrower skeletal system, digital illustration.
    Red human brain on white background, top view. — Stock Photo
    Red human brain on white background, top view.
    Retrovirus virus particles — Stock Photo
    Retrovirus virus particles
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate — Stock Photo
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate
    Lotus flower surface — Stock Photo
    Lotus flower surface
    Bacillus anthracis bacteria — Stock Photo
    Bacillus anthracis bacteria
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water.
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital 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.
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration. — Stock Photo
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration.
    Human sperm and egg — Stock Photo
    Human sperm and egg
    Human brain with highlighted inferior temporal gyrus, computer illustration. It is located in the temporal lobe and is involved in visual processing, recognition of objects, faces, places and colours. — Stock Photo
    Human brain with highlighted inferior temporal gyrus, computer illustration. It is located in the temporal lobe and is involved in visual processing, recognition of objects, faces, places and colours.
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Neck pain affecting cervical vertebrae — Stock Photo
    Neck pain affecting cervical vertebrae
    Mucor mould, also known as black fungus, computer illustration — Stock Photo
    Mucor mould, also known as black fungus, computer illustration
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Three dimensional medical illustration of male reproductive system with veins and arteries — Stock Photo
    Three dimensional medical illustration of male reproductive system with veins and arteries
    Bending female silhouette with knee pain, digital illustration. — Stock Photo
    Bending female silhouette with knee pain, digital illustration.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Human stomach in body silhouette, digital illustration. — Stock Photo
    Human stomach in body silhouette, digital illustration.
    Human brain pituitary gland, digital illustration. — Stock Photo
    Human brain pituitary gland, digital illustration.
    Digital illustration of female reproductive system and parasitic microorganism Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Digital illustration of female reproductive system and parasitic microorganism Trichomonas vaginalis causing trichomoniasis.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Human silhouette playing basketball with visible skeletal structure, digital illustration. — Stock Photo
    Human silhouette playing basketball with visible skeletal structure, digital illustration.
    Female silhouette with visible spleen, digital illustration. — Stock Photo
    Female silhouette with visible spleen, digital illustration.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Female silhouette with knee pain, digital illustration. — Stock Photo
    Female silhouette with knee pain, digital illustration.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    3d illustration of the nucleus inside a eukaryotic cell. The nucleus contains the cell's genetic information in the form of DNA (deoxyribonucleic acid). The DNA is complexed with proteins and stored as chromatin — Stock Photo
    3d illustration of the nucleus inside a eukaryotic cell. The nucleus contains the cell's genetic information in the form of DNA (deoxyribonucleic acid). The DNA is complexed with proteins and stored as chromatin
    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.
    Measles virus particle, computer illustration. — Stock Photo
    Measles virus particle, computer illustration.
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated — Stock Photo
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated
    Healthy lungs anatomy — Stock Photo
    Healthy lungs anatomy
    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.
    Medical illustration of pulmonary embolism — Stock Photo
    Medical illustration of pulmonary embolism
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    White blood cell, digital illustration. — Stock Photo
    White blood cell, digital illustration.