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    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    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.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium — Stock Photo
    Composite image of scientist hand with colony of Micrococcus luteus bacteria in nutrient medium
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish. — Stock Photo
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish.
    Artwork of human digestive system and close-up of bacteria in small intestine. — Stock Photo
    Artwork of human digestive system and close-up of bacteria in small intestine.
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock — Stock Photo
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Dental floss with cheek cells — Stock Photo
    Dental floss with cheek cells
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Q fever bacteria inside a cell — Stock Photo
    Q fever bacteria inside a cell
    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine. — Stock Photo
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine.
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Streptococcus bacteria structure — Stock Photo
    Streptococcus bacteria structure
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Bacterial cystitis, illustration. Cystitis (inflammation of the bladder) can be caused by the bacterium E. coli (red). — Stock Photo
    Bacterial cystitis, illustration. Cystitis (inflammation of the bladder) can be caused by the bacterium E. coli (red).
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium — Stock Photo
    Illustration of Leptospira interrogans, showing a tightly-coiled, highly motile spirochaete bacterium
    Bacteria multiplying on surface, digital illustration. — Stock Photo
    Bacteria multiplying on surface, digital illustration.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses. — Stock Photo
    Digital labelled illustration showing bacteria causing infections of respiratory and digestive system, Mycobacterium tuberculosis, Helicobacter pylori, Hepatitis A, Rotaviruses.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    3d illustration of cholera pathogens in dark blue water. — Stock Photo
    3d illustration of cholera pathogens in dark blue water.
    Rod-shaped bacterial organisms — Stock Photo
    Rod-shaped bacterial organisms
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte — Stock Photo
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Lactobacillus bacteria, digital illustration with 360 degree panorama. — Stock Photo
    Lactobacillus bacteria, digital illustration with 360 degree panorama.
    Safety of drinking water. Conceptual illustration showing microbes in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing microbes in drop of water from tap.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Illustration of an antibiotic-resistant bacteria (white) on the colon epithelium. The antibiotic-resistant bacteria will go on to transfer its antibiotic resistance genes horizontally to the bacteria surrounding it. — Stock Photo
    Illustration of an antibiotic-resistant bacteria (white) on the colon epithelium. The antibiotic-resistant bacteria will go on to transfer its antibiotic resistance genes horizontally to the bacteria surrounding it.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Otitis media ear infection caused by Streptococcus pneumoniae bacteria, conceptual computer illustration — Stock Photo
    Otitis media ear infection caused by Streptococcus pneumoniae bacteria, conceptual computer illustration
    Digital artwork of round transparent cells on plain background. — Stock Photo
    Digital artwork of round transparent cells on plain background.
    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.
    Digital illustration of virus particles on plain background. — Stock Photo
    Digital illustration of virus particles on plain background.
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration — Stock Photo
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Digital artwork of round blue cells on plain background. — Stock Photo
    Digital artwork of round blue cells on plain background.
    Cutibacterium (formerly Propionibacterium) bacteria, computer illustration. These are an example of non-pathogenic bacteria found on human skin, where they are well adapted to the natural acidity. An example is Cutibacterium acnes — Stock Photo
    Cutibacterium (formerly Propionibacterium) bacteria, computer illustration. These are an example of non-pathogenic bacteria found on human skin, where they are well adapted to the natural acidity. An example is Cutibacterium acnes
    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)
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Methicillin-resistant Staphylococcus aureus bacteria — Stock Photo
    Methicillin-resistant Staphylococcus aureus bacteria
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine. — Stock Photo
    Green colored probiotic rod-shaped gram-positive aerobic Bacillus clausii bacteria restoring microflora of intestine.