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    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    Abstract illustration of Moraxella catarrhalis cocci bacteria. — Stock Photo
    Abstract illustration of Moraxella catarrhalis cocci bacteria.
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration. — Stock Photo
    Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.
    Abstract illustration of Moraxella catarrhalis cocci bacteria. — Stock Photo
    Abstract illustration of Moraxella catarrhalis cocci bacteria.
    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.
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles. — Stock Photo
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles.
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores. — Stock Photo
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores.
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual 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.
    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    Human lungs with viral pneumonia and close-up of virions. — Stock Photo
    Human lungs with viral pneumonia and close-up of virions.
    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital illustration.
    Senior woman sleeping with nasal cannula and nurse in background, close-up. — Stock Photo
    Senior woman sleeping with nasal cannula and nurse in background, close-up.
    Senior woman sleeping with nasal cannula. — Stock Photo
    Senior woman sleeping with nasal cannula.
    Senior woman with nasal cannula with eyes closed, close-up. — Stock Photo
    Senior woman with nasal cannula with eyes closed, close-up.
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Digital illustration of Enterobacter Gram-negative bacilli on black background. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli on black background.
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Medical teacher demonstrating tracheal intubation using demonstration model. — Stock Photo
    Medical teacher demonstrating tracheal intubation using demonstration model.
    Digital illustration of Enterobacter Gram-negative bacilli. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli.
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy. — Stock Photo
    Male doctor practicing cardiopulmonary resuscitation on infant training dummy.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Digital illustration of Enterobacter Gram-negative bacilli. — Stock Photo
    Digital illustration of Enterobacter Gram-negative bacilli.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Doctors practicing tracheal intubation on infant training dummies. — Stock Photo
    Doctors practicing tracheal intubation on infant training dummies.
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Doctors practicing tracheal intubation on infant training dummies. — Stock Photo
    Doctors practicing tracheal intubation on infant training dummies.
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Doctor practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctor practicing bag-valve-mask ventilation on training dummy.
    Male doctors practicing tracheal intubation on training dummy. — Stock Photo
    Male doctors practicing tracheal intubation on training dummy.
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Male doctor practicing rescue breathing on cardiopulmonary resuscitation training dummy. — Stock Photo
    Male doctor practicing rescue breathing on cardiopulmonary resuscitation training dummy.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Tracheal intubation tools kit on table. — Stock Photo
    Tracheal intubation tools kit on table.
    Female doctor practicing cardiopulmonary resuscitation on infant training dummy. — Stock Photo
    Female doctor practicing cardiopulmonary resuscitation on infant training dummy.
    Doctor practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctor practicing bag-valve-mask ventilation on training dummy.
    Asthmatic boy using inhaler, close-up. — Stock Photo
    Asthmatic boy using inhaler, close-up.
    Oxygen mask and tube on white background. — Stock Photo
    Oxygen mask and tube on white background.
    Doctor practicing tracheal intubation on infant training dummy. — Stock Photo
    Doctor practicing tracheal intubation on infant training dummy.
    Intubation training dummy with tube. — Stock Photo
    Intubation training dummy with tube.
    Doctor practicing tracheal intubation on training dummy. — Stock Photo
    Doctor practicing tracheal intubation on training dummy.
    Doctor practicing tracheal intubation on infant training dummy. — Stock Photo
    Doctor practicing tracheal intubation on infant training dummy.
    Nurse adjusting controls on ventilator attached to unconscious patient. — Stock Photo
    Nurse adjusting controls on ventilator attached to unconscious patient.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Tracheal intubation kit on white background. — Stock Photo
    Tracheal intubation kit on white background.
    Colored computer tomography scan of healthy lungs. — Stock Photo
    Colored computer tomography scan of healthy lungs.
    Nebulizer with tube against white background. — Stock Photo
    Nebulizer with tube against white background.
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    Tracheal intubation kit on white background. — Stock Photo
    Tracheal intubation kit on white background.