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    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses — Stock Photo
    Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses
    Illustration of antibiotic resistant bacteria forming a biofilm. — Stock Photo
    Illustration of antibiotic resistant bacteria forming a biofilm.
    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)
    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
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Digital illustration of nanorobot carrying rod-shaped bacterium. — Stock Photo
    Digital illustration of nanorobot carrying rod-shaped bacterium.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Streptococcus bacteria structure — Stock Photo
    Streptococcus bacteria 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
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Staphylococcus bacteria on surface such as skin or mucosa. — Stock Photo
    Staphylococcus bacteria on surface such as skin or mucosa.
    Tuberculosis bacteria, 3d illustration. — Stock Photo
    Tuberculosis bacteria, 3d illustration.
    Rod-shaped bacteria with flagellum — Stock Photo
    Rod-shaped bacteria with flagellum
    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)
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Bacteriophage virus cell infecting bacterium, digital illustration. — Stock Photo
    Bacteriophage virus cell infecting bacterium, digital illustration.
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Colony of Paeruginosa bacteria — Stock Photo
    Colony of Paeruginosa bacteria
    Bacteriophage virus cell infecting bacterium, digital illustration. — Stock Photo
    Bacteriophage virus cell infecting bacterium, digital illustration.
    White blood cell structure — Stock Photo
    White blood cell structure
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Rod-shaped bacterial infection — Stock Photo
    Rod-shaped bacterial infection
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration. A. baumannii is a Gram-negative, oxidase negative, aerobic, coccobacillus. It has always been naturally resistant to multiple antibiotics — Stock Photo
    Multi-drug resistant Acinetobacter baumannii bacteria inside biofilm, computer illustration. A. baumannii is a Gram-negative, oxidase negative, aerobic, coccobacillus. It has always been naturally resistant to multiple antibiotics
    Rod-shaped bacteria infecting organism — Stock Photo
    Rod-shaped bacteria infecting organism
    Woman washing her hands on the kitchen sink to avoid possible infection — Stock Photo
    Woman washing her hands on the kitchen sink to avoid possible infection
    Bacteria on a hand, conceptual illustration. — Stock Photo
    Bacteria on a hand, conceptual 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
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Listeria monocytogenes bacteria, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis — Stock Photo
    Listeria monocytogenes bacteria, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Woman washing her hands on the kitchen sink to avoid possible infection — Stock Photo
    Woman washing her hands on the kitchen sink to avoid possible infection
    3d illustration of a Salmonella sp. bacterium approaching human cell — Stock Photo
    3d illustration of a Salmonella sp. bacterium approaching human cell
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    White blood cell engulfing bacteria — Stock Photo
    White blood cell engulfing bacteria
    Bacteria on human skin — Stock Photo
    Bacteria on human skin
    Brucella bacteria, illustration. Brucella is a Gram negative, non-sporing, aerobic bacillus (rod- shaped bacteria) — Stock Photo
    Brucella bacteria, illustration. Brucella is a Gram negative, non-sporing, aerobic bacillus (rod- shaped bacteria)
    Strands of Actinomyces viscosus — Stock Photo
    Strands of Actinomyces viscosus
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration.
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Artwork of Rod-shaped bacteria — Stock Photo
    Artwork of Rod-shaped bacteria
    Portrait female scientist in clean suit studying coronavirus vaccine — Stock Photo
    Portrait female scientist in clean suit studying coronavirus vaccine
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Bacterial infection and reproducing bacteria — Stock Photo
    Bacterial infection and reproducing bacteria
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease — Stock Photo
    3d illustration of Spirochaete Borrelia bacteria, the cause of Lyme disease
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    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
    Woman washing her hands on the kitchen sink to avoid possible infection — Stock Photo
    Woman washing her hands on the kitchen sink to avoid possible infection
    Stool culture, colorful image — Stock Photo
    Stool culture, colorful image
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis. — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis.
    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