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Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo

Neisseria gonorrhoeae bacteria, digital illustration.

Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration. — Stock Photo

Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration.

Normal flora of human intestine, conceptual computer illustration — Stock Photo

Normal flora of human intestine, conceptual computer illustration

Digital illustration of virus particles on black background. — Stock Photo

Digital illustration of virus particles on black background.

Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo

Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.

Microbiological culture growing in Petri dish, close-up. — Stock Photo

Microbiological culture growing in Petri dish, close-up.

Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo

Toilet microbes on contaminated seat surface, conceptual digital illustration.

Salmonella sp. bacteria on tissue surface — Stock Photo

Salmonella sp. bacteria on tissue surface

Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria. — Stock Photo

Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria.

3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV. — Stock Photo

3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV.

Researcher holding a petri dish — Stock Photo

Researcher holding a petri dish

Various microbes of different shapes — Stock Photo

Various microbes of different shapes

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

Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo

Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.

Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo

Computer illustration of staphylococci bacteria (Staphylococcus aureus)

Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species — Stock Photo

Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species

Digital illustration of Escherichia coli bacteria. — Stock Photo

Digital illustration of Escherichia coli bacteria.

Dividing bacteria on tissue surface — Stock Photo

Dividing bacteria on tissue surface

Spherical bacteria and rod-shaped bacteria — Stock Photo

Spherical bacteria and rod-shaped bacteria

Bacterial colonies on agar plate. — Stock Photo

Bacterial colonies on agar plate.

Agar plate and specimen brush on blue background. — Stock Photo

Agar plate and specimen brush on blue background.

Digital 3d illustration of Neisseria gonorrhoeae bacteria. — Stock Photo

Digital 3d illustration of Neisseria gonorrhoeae bacteria.

Bacteria and viruses of different shapes, digital illustration. — Stock Photo

Bacteria and viruses of different shapes, digital illustration.

Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual illustration. — Stock Photo

Lungs with Legionnaires disease and close-up of Legionella pneumophila bacteria, conceptual illustration.

Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo

Digital illustration showing close-up of cholera infection bacteria in small intestine.

Gram-negative Veillonella bacteria, digital illustration. — Stock Photo

Gram-negative Veillonella bacteria, digital illustration.

Streptococcus pyogenes bacteria. 3D computer illustration of Streptococcus pyogenes, or group-A Streptococcus, bacteria. S. pyogenes is a gram-positive spherical (coccus) bacteria — Stock Photo

Streptococcus pyogenes bacteria. 3D computer illustration of Streptococcus pyogenes, or group-A Streptococcus, bacteria. S. pyogenes is a gram-positive spherical (coccus) bacteria

Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans — Stock Photo

Moraxella (Branhamella) catarrhalis bacteria, illustration. These are aerobic, gram-negative cocci (spherical bacteria) which are commonly found in the mucous membranes of the respiratory tract of mammals, including humans

Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo

Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells

Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection) — Stock Photo

Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection)

Cholera bacteria colony — Stock Photo

Cholera bacteria colony

Lactobacillus bacteria, digital illustration with 360 degree panorama. — Stock Photo

Lactobacillus bacteria, digital illustration with 360 degree panorama.

Digital illustration of virus particles on black background. — Stock Photo

Digital illustration of virus particles on black background.

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

Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo

Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria

Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo

Streptococcus pneumoniae bacteria (pneumococci), computer illustration

Microbiological cultures growing in Petri dishes. — Stock Photo

Microbiological cultures growing in Petri dishes.

Culturing anaerobic bacteria — Stock Photo

Culturing anaerobic bacteria

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.

Bacteria multiplying on surface, digital illustration. — Stock Photo

Bacteria multiplying on surface, digital illustration.

Pathogenic Listeria bacteria — Stock Photo

Pathogenic Listeria bacteria

Digital illustration of Lactobacillus bacteria in human body. — Stock Photo

Digital illustration of Lactobacillus bacteria in human body.

Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo

Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria

Gram-negative Veillonella bacteria, digital illustration. — Stock Photo

Gram-negative Veillonella bacteria, digital illustration.

Retrovirus virion structure and shape — Stock Photo

Retrovirus virion structure and shape

Examining petri dish under microscope. — Stock Photo

Examining petri dish under microscope.

Computer illustration of bacteria on the surface of intestinal villi — Stock Photo

Computer illustration of bacteria on the surface of intestinal villi

Close-up of bacterial gonorrhoea infection in male body, digital illustration. — Stock Photo

Close-up of bacterial gonorrhoea infection in male body, digital illustration.

Close-up of 3d rendering microscopic blue bacteria. — Stock Photo

Close-up of 3d rendering microscopic blue bacteria.

Lactobacillus bacteria in human small intestine microbiome, digital illustration. — Stock Photo

Lactobacillus bacteria in human small intestine microbiome, digital illustration.

Rod-shaped bacterial strands — Stock Photo

Rod-shaped bacterial strands

Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo

Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells

Scientist sampling bacteria colonies growing in Petri dish. — Stock Photo

Scientist sampling bacteria colonies growing in Petri dish.

Bacteria colony reproducing on tissue surface — Stock Photo

Bacteria colony reproducing on tissue surface

Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo

Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.

Pneumonia inflammatory condition of lung, digital illustration. — Stock Photo

Pneumonia inflammatory condition of lung, digital 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

Bacteria on human skin — Stock Photo

Bacteria on human skin

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 illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy. — Stock Photo

Digital illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy.

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