Coronaviruses are important pathogens for humans and animals and are usually associated with respiratory and gastrointestinal infections. Most human coronaviruses, such as hCoV‐229E, OC43, NL63 and ...
a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.
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