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    Surface structure of Adenovirus — Stock Photo
    Surface structure of Adenovirus
    Male basketball player muscles while running with ball, computer illustration. — Stock Photo
    Male basketball player muscles while running with ball, computer illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Genetic engineering, conceptual illustration — Stock Photo
    Genetic engineering, conceptual illustration
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Digital illustration of budding yeast cells in imaging flow cytometry. — Stock Photo
    Digital illustration of budding yeast cells in imaging flow cytometry.
    Human silhouette with lungs infected by pneumonia caused by flu, illustration. — Stock Photo
    Human silhouette with lungs infected by pneumonia caused by flu, illustration.
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Damaged DNA strand, genetic disorder conceptual illustration. — Stock Photo
    Damaged DNA strand, genetic disorder conceptual illustration.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Hepatitis C virus structure, digital illustration. — Stock Photo
    Hepatitis C virus structure, digital illustration.
    Human fetus at week 17, computer illustration. — Stock Photo
    Human fetus at week 17, computer illustration.
    Illustration of potassium channel, delta opioid receptor, low-density lipoprotein receptor, acetylcholine receptor. — Stock Photo
    Illustration of potassium channel, delta opioid receptor, low-density lipoprotein receptor, acetylcholine receptor.
    Poliovirus-receptor complex — Stock Photo
    Poliovirus-receptor complex
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Streptococcus pneumoniae bacteria, digital illustration. — Stock Photo
    Streptococcus pneumoniae bacteria, digital illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Lyme disease tick and close-up of Borrelia burgdorferi bacterium, digital illustration. — Stock Photo
    Lyme disease tick and close-up of Borrelia burgdorferi bacterium, digital illustration.
    Close-up of petri dishes and pipette for genetic research. — Stock Photo
    Close-up of petri dishes and pipette for genetic research.
    Transverse section through a leaf showing foveate stomata (light areas on underside of leaf. — Stock Photo
    Transverse section through a leaf showing foveate stomata (light areas on underside of leaf.
    Coronavirus virus particles — Stock Photo
    Coronavirus virus particles
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration.
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Digital illustration of virus particles on black background. — Stock Photo
    Digital illustration of virus particles on black background.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Visual render of Dengue virus — Stock Photo
    Visual render of Dengue virus
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    DNA strand against black background, digital illustration. — Stock Photo
    DNA strand against black background, digital illustration.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Pipetting samples machinery for gel electrophoresis. — Stock Photo
    Pipetting samples machinery for gel electrophoresis.
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Microbes growing in a Petri dish — Stock Photo
    Microbes growing in a Petri dish
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Blue silhouette of senior woman with highlighted stomach, medical illustration. — Stock Photo
    Blue silhouette of senior woman with highlighted stomach, medical illustration.
    Illustration of human kidney and light micrograph of section with glomerulus. — Stock Photo
    Illustration of human kidney and light micrograph of section with glomerulus.
    Artwork of norovirus particles — Stock Photo
    Artwork of norovirus particles
    Digital illustration showing structure of Coxsackie virus causing heart infection, pancreas infection and liver infection. — Stock Photo
    Digital illustration showing structure of Coxsackie virus causing heart infection, pancreas infection and liver infection.
    Illustration of antibodies (yellow and blue) responding to an infection with the new coronavirus SARS-CoV-2 (red) — Stock Photo
    Illustration of antibodies (yellow and blue) responding to an infection with the new coronavirus SARS-CoV-2 (red)
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Laboratory assistant in safety goggles looking at chemical flask. — Stock Photo
    Laboratory assistant in safety goggles looking at chemical flask.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria