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    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Digital illustration of Norovirus genus of RNA virus. — Stock Photo
    Digital illustration of Norovirus genus of RNA virus.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Colored rod-shaped Morganella bacteria, digital illustration. — Stock Photo
    Colored rod-shaped Morganella bacteria, digital illustration.
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Computer illustration showing a female torso with the internal organs, front view. — Stock Photo
    Computer illustration showing a female torso with the internal organs, front view.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Virus particle, computer illustration — Stock Photo
    Virus particle, computer illustration
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound.
    Targeted gene therapy, abstract conceptual illustration. — Stock Photo
    Targeted gene therapy, abstract conceptual illustration.
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Chromosome structure and composition — Stock Photo
    Chromosome structure and composition
    Human brain with network of blood vessels — Stock Photo
    Human brain with network of blood vessels
    HIV virus, illustration — Stock Photo
    HIV virus, illustration
    Odontoblasts and the dental pulp — Stock Photo
    Odontoblasts and the dental pulp
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Cellular organelles and mitochondrion — Stock Photo
    Cellular organelles and mitochondrion
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Coronary veins, computer illustration. — Stock Photo
    Coronary veins, computer illustration.
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants — Stock Photo
    Whooping cough bacterium (Bordetella pertussis), illustration. These rod-shaped Gram-negative bacilli cause whooping cough, known as pertussis, mainly in infants
    Female upper body musculature, computer illustration. — Stock Photo
    Female upper body musculature, computer illustration.
    Set of 46 human chromosomes on white background. — Stock Photo
    Set of 46 human chromosomes on white background.
    Digital illustration showing cerebrospinal fluid containing numerous neutrophils with Neisseria meningitidis bacteria of Meningococcal meningitis. — Stock Photo
    Digital illustration showing cerebrospinal fluid containing numerous neutrophils with Neisseria meningitidis bacteria of Meningococcal meningitis.
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    Lactobacillus bacteria, computer illustration. Main component of human small intestine microbiome — Stock Photo
    Lactobacillus bacteria, computer illustration. Main component of human small intestine microbiome
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease — Stock Photo
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Yellow colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Yellow colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). — Stock Photo
    Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM).
    Colourful squid on black — Stock Photo
    Colourful squid on black
    Digital artwork of round blue cells on black background. — Stock Photo
    Digital artwork of round blue cells on black background.
    Earthworm coloured scanning electron micrograph — Stock Photo
    Earthworm coloured scanning electron micrograph
    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration. — Stock Photo
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration.
    Opioid receptors, digital illustration. — Stock Photo
    Opioid receptors, digital illustration.
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus. — Stock Photo
    Digital illustration of silhouette with liver inflammation and close-up of hepatitis B virus.
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain.
    Plague bacteria illustration — Stock Photo
    Plague bacteria illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Discodoris sp. sea slug nudibranch — Stock Photo
    Discodoris sp. sea slug nudibranch
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Digital illustration of virus particles on plain background. — Stock Photo
    Digital illustration of virus particles on plain background.
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.