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    Clostridium tetani bacterium — Stock Photo
    Clostridium tetani bacterium
    3D rendering of human circulatory system on black background — Stock Photo
    3D rendering of human circulatory system on black background
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Lobar pneumonia in stage of red hepatisation, conceptual digital illustration. — Stock Photo
    Lobar pneumonia in stage of red hepatisation, conceptual digital illustration.
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore. — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). Many cells have a central spore.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Mucor mould, also known as black fungus, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds — Stock Photo
    Mucor mould, also known as black fungus, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Human spinal pain — Stock Photo
    Human spinal pain
    Cancer cells dividing — Stock Photo
    Cancer cells dividing
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Periwinkle pollen grain — Stock Photo
    Periwinkle pollen grain
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Medical illustration of human diaphragm in rib cage — Stock Photo
    Medical illustration of human diaphragm in rib cage
    Astronaut in space, computer illustration — Stock Photo
    Astronaut in space, computer illustration
    Rugby player skeletal system, digital illustration. — Stock Photo
    Rugby player skeletal system, digital illustration.
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria.
    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.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Structure of influenza A virus, digital illustration. — Stock Photo
    Structure of influenza A virus, digital illustration.
    Shoulder girdle bone structure — Stock Photo
    Shoulder girdle bone structure
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis — Stock Photo
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis
    3D rendering of human vertebral column on black background — Stock Photo
    3D rendering of human vertebral column on black background
    Female silhouette with elbow pain, digital illustration. — Stock Photo
    Female silhouette with elbow pain, digital illustration.
    Stomach cancer in human body, digital illustration. — Stock Photo
    Stomach cancer in human body, digital illustration.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Digital illustration of trypanosome parasites causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasites causing Chagas disease.
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria. — Stock Photo
    Digital artwork of colored rod-shaped Yersinia enterocolitica bacteria.
    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
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    Liver overlaid with hepatitis B viruses — Stock Photo
    Liver overlaid with hepatitis B viruses
    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
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Zika virus particles transmitted by mosquito bite and neuron cell, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite and neuron cell, digital illustration.
    Human brain with highlighted superior temporal gyrus, illustration. It is involved in processing auditory information and encoding of memory. — Stock Photo
    Human brain with highlighted superior temporal gyrus, illustration. It is involved in processing auditory information and encoding of memory.
    A vast dust storm appears over the rim of a crater on Mars. Mars is the fourth planet in our Solar System, and the subject of more space missions than any other world — Stock Photo
    A vast dust storm appears over the rim of a crater on Mars. Mars is the fourth planet in our Solar System, and the subject of more space missions than any other world
    Digital molecular model of secondary structure of immunoglobulin G antibodies. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibodies.
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Flu virus in trachea, digital illustration. — Stock Photo
    Flu virus in trachea, digital illustration.
    Human brain with close-up view of neurons, computer illustration. — Stock Photo
    Human brain with close-up view of neurons, computer illustration.
    Lactobacillus bacteria in human small intestine microbiome, digital illustration. — Stock Photo
    Lactobacillus bacteria in human small intestine microbiome, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap.
    Space craft flying in outer space, digital illustration. — Stock Photo
    Space craft flying in outer space, digital illustration.
    Human brain with highlighted supramarginal gyrus, computer illustration. It is involved in perception of language, limb location, identifying postures and gestures of other people. — Stock Photo
    Human brain with highlighted supramarginal gyrus, computer illustration. It is involved in perception of language, limb location, identifying postures and gestures of other people.
    Male feet silhouette with foot pain, digital illustration. — Stock Photo
    Male feet silhouette with foot pain, digital illustration.
    Human face and neck muscles — Stock Photo
    Human face and neck muscles
    Skeletal system of obese individual — Stock Photo
    Skeletal system of obese individual
    Area of inflammation in shoulder joint — Stock Photo
    Area of inflammation in shoulder joint
    Front view of human skeletal system — Stock Photo
    Front view of human skeletal system
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis. — Stock Photo
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis.
    3D rendering of human teeth and skull on black background — Stock Photo
    3D rendering of human teeth and skull on black background
    Human hair shafts, computer illustration — Stock Photo
    Human hair shafts, computer illustration
    Skull and neck bones — Stock Photo
    Skull and neck bones
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.