Chronic obstructive pulmonary disease or COPD. Lung have breathing problems and poor airflow. To clean alveoli in blood vessel. Vector illustration in flat design. premium vector by 8Variety

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vector illustration day human air asthma breathing respiratory illness medical character symbol concept smoke doctor patient treatment world problem cancer cleaning insurance international diagnosis save diagnostic airway checking cough awareness symptoms infection chronic checklist bronchitis emphysema progressive pulmonology pulmonary obstructive alveoli COPD health care isolated on blue lung disease air pollution blood vessel sputum production poor airflow
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