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    Caucasian sportsman wearing protective fencing outfit during a fencing training session, preparing for a duel, holding an epee and lunging. Fencers training at a gym. — Stock Photo
    Caucasian sportsman wearing protective fencing outfit during a fencing training session, preparing for a duel, holding an epee and lunging. Fencers training at a gym.
    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.
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration — Stock Photo
    SARS-CoV-2 viruses and activated neutrophil, conceptual computer illustration
    Upper-body anatomy of adult male — Stock Photo
    Upper-body anatomy of adult male
    Side view of ethnic female leaning back while standing in Ashta Chandrasana pose during yoga practice on sandy coast against ocean — Stock Photo
    Side view of ethnic female leaning back while standing in Ashta Chandrasana pose during yoga practice on sandy coast against ocean
    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.
    Healthy and Infected bronchus — Stock Photo
    Healthy and Infected bronchus
    Sportsman in sportswear working out with dumbbells while performing forward lunge and breathing on meadow in city — Stock Photo
    Sportsman in sportswear working out with dumbbells while performing forward lunge and breathing on meadow in city
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym. — Stock Photo
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym.
    Side view of flexible female practicing yoga in Anjaneyasana while standing in snowy field in winter — Stock Photo
    Side view of flexible female practicing yoga in Anjaneyasana while standing in snowy field in winter
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    High angle side view of group of diverse people in sportswear standing in Anjaneyasana and stretching bodies during yoga class in studio — Stock Photo
    High angle side view of group of diverse people in sportswear standing in Anjaneyasana and stretching bodies during yoga class in studio
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, taking aim and lunging with their epees. Fencers training at gym. — Stock Photo
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, taking aim and lunging with their epees. Fencers training at gym.
    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.
    Lung cancer, digital illustration and light micrograph of cancerous tissue. — Stock Photo
    Lung cancer, digital illustration and light micrograph of cancerous tissue.
    Human upper body anatomy — Stock Photo
    Human upper body anatomy
    Lung cancer cells, digital illustration. — Stock Photo
    Lung cancer cells, digital illustration.
    Focused female athlete doing side lunge exercise and stretching legs while warming up during training on embankment near sea — Stock Photo
    Focused female athlete doing side lunge exercise and stretching legs while warming up during training on embankment near sea
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym. — Stock Photo
    Caucasian and African American sportswomen wearing protective fencing outfits during a fencing training session, lunging at each other with their epees. Fencers training at gym.
    Illustration of bacteria causing bacterial pneumonia in alveoli. — Stock Photo
    Illustration of bacteria causing bacterial pneumonia in alveoli.
    Visual rendering of Human anatomy — Stock Photo
    Visual rendering of Human anatomy
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    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.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    African american man exercising in warehouse doing lunges holding medicine ball. healthy active urban lifestyle. — Stock Photo
    African american man exercising in warehouse doing lunges holding medicine ball. healthy active urban lifestyle.
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore — Stock Photo
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore
    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.
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung — Stock Photo
    Lung bronchiole. Light micrograph of a section through lung tissue and a bronchiole. Bronchi form branches from the trachea and gradually diminish in diameter with increasing branching into bronchioles within the lung
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Side view of anonymous woman in activewear doing Crescent Lunge pose while practicing yoga in light studio — Stock Photo
    Side view of anonymous woman in activewear doing Crescent Lunge pose while practicing yoga in light studio
    Anatomy and body systems of adult female — Stock Photo
    Anatomy and body systems of adult female
    Normal human alveoli anatomy — Stock Photo
    Normal human alveoli anatomy
    Healthy and Infected bronchus — Stock Photo
    Healthy and Infected bronchus
    Side view full body of graceful barefoot female with hand raised practicing High Crescent asana for stretching legs — Stock Photo
    Side view full body of graceful barefoot female with hand raised practicing High Crescent asana for stretching legs
    Human skeleton in lotus yoga position, or padmasana, with highlighted lungs, computer illustration. Respiratory exercises and meditation for recovery and prevention of covid-19. — Stock Photo
    Human skeleton in lotus yoga position, or padmasana, with highlighted lungs, computer illustration. Respiratory exercises and meditation for recovery and prevention of covid-19.
    Adult male athlete in sports clothes working out with clasped hands while looking away on lawn — Stock Photo
    Adult male athlete in sports clothes working out with clasped hands while looking away on lawn
    Side view of anonymous female practicing yoga with raised arms on boulders against ocean under cloudy sky at sundown — Stock Photo
    Side view of anonymous female practicing yoga with raised arms on boulders against ocean under cloudy sky at sundown
    Human silhouette showing lung cancer tumor, conceptual illustration. — Stock Photo
    Human silhouette showing lung cancer tumor, conceptual illustration.
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis cavity in right lung with well-formed fibrous layer.
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia. — Stock Photo
    Computer illustration of rod-shaped bacilli bacteria inside alveolus of lung, causing lower respiratory tract infection and bacterial pneumonia.
    Young barefoot female athlete supporting partner standing on hand during training on pole in studio — Stock Photo
    Young barefoot female athlete supporting partner standing on hand during training on pole in studio
    Nipah virus particles, 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 particles, 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
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals. — Stock Photo
    Human lung tissue, light micrograph. Lungs are the primary organs of the respiratory system in humans and many other animals.
    Human lungs in rib cage — Stock Photo
    Human lungs in rib cage
    Human lungs anatomy in cross-section, illustration. — Stock Photo
    Human lungs anatomy in cross-section, illustration.
    Adult female in sportswear practicing yoga with raised arms while looking up in countryside field — Stock Photo
    Adult female in sportswear practicing yoga with raised arms while looking up in countryside field
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body — Stock Photo
    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body
    Lungs cancer, digital illustration showing malignant tumour in lung. — Stock Photo
    Lungs cancer, digital illustration showing malignant tumour in lung.
    Silhouette of unhealthy smoker lungs, digital illustration. — Stock Photo
    Silhouette of unhealthy smoker lungs, digital illustration.
    Structure of alveoli of human lungs — Stock Photo
    Structure of alveoli of human lungs
    Lung cancer in female transparent body, conceptual computer illustration. — Stock Photo
    Lung cancer in female transparent body, conceptual computer illustration.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    African american sportswomen wearing protective fencing outfits during a fencing training session, holding epees and lunging in unison. fencers training at a gym. — Stock Photo
    African american sportswomen wearing protective fencing outfits during a fencing training session, holding epees and lunging in unison. fencers training at a gym.
    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.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Full body of slim women standing on mats and doing Ashta Chandrasana pose while practicing yoga on terrace — Stock Photo
    Full body of slim women standing on mats and doing Ashta Chandrasana pose while practicing yoga on terrace