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    Syphilis ulcer on penis — Stock Photo
    Syphilis ulcer on penis
    Illustration of antibodies (yellow and blue) responding to an infection with the new coronavirus SARS-CoV-2 (red) — Stock Photo
    Illustration of antibodies (yellow and blue) responding to an infection with the new coronavirus SARS-CoV-2 (red)
    Infected human bronchus — Stock Photo
    Infected human bronchus
    Illustration of antibodies responding to an infection with the SARS-CoV-2 coronavirus (centre). The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia and be fatal in some cases — Stock Photo
    Illustration of antibodies responding to an infection with the SARS-CoV-2 coronavirus (centre). The virus causes a mild respiratory illness (Covid-19) that can develop into pneumonia and be fatal in some cases
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration. — Stock Photo
    Aerobic gram-positive Micrococcus luteus bacteria, digital illustration.
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    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
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph. — Stock Photo
    Miliary tuberculosis disease in lungs, digital illustration and light micrograph.
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. — Stock Photo
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis.
    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
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    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
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration. — Stock Photo
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration.
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia.
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Communal web of larvae of the family Yponomeutidae on a green leaf — Stock Photo
    Communal web of larvae of the family Yponomeutidae on a green leaf
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Human silhouette with lungs infected by pneumonia caused by flu, illustration. — Stock Photo
    Human silhouette with lungs infected by pneumonia caused by flu, illustration.
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration. — Stock Photo
    Colony of Micrococcus luteus bacteria on surface of nutrient medium, digital illustration.
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Infected bronchus with mucus — Stock Photo
    Infected bronchus with mucus
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background. — Stock Photo
    Illustration of heart and close-up of infection bacteria in male body silhouette on black background.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    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
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    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.
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap. — Stock Photo
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap.
    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
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration. — Stock Photo
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration.
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration. — Stock Photo
    Comparison of gross anatomy of acute and chronic pyelonephritis, illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection. — Stock Photo
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection.
    3d illustration of Coxiella burnetii bacteria. This bacterium affects humans and other animals such as cattle, sheep, goats, cats and dogs. It is the cause of Q fever, a highly infectious, influenza-like, febrile illness — Stock Photo
    3d illustration of Coxiella burnetii bacteria. This bacterium affects humans and other animals such as cattle, sheep, goats, cats and dogs. It is the cause of Q fever, a highly infectious, influenza-like, febrile illness
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection. — Stock Photo
    Digital artwork of human cells with cytomegalic inclusion disease symptom of cytomegalovirus infection.
    Artwork of bacilli bacteria — Stock Photo
    Artwork of bacilli bacteria
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration. — Stock Photo
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    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.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left). — Stock Photo
    Pneumonia. X-ray of the chest of a patient with bacterial pneumonia (grainy white area, lower left) in the lower lobe of the right lung (left).
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of Staphylococcus aureus bacteria in alveoli of lungs causing pneumonia.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. Labelled image. — Stock Photo
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. Labelled image.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.