Pneumonia is infection that inflames air sacs in one or both lungs. This symptom is caused by bacteria and viruses. Pulmonology vector illustration about restrictive lung disease.

Pneumonia is infection that inflames air sacs in one or both lungs. This symptom is caused by bacteria and viruses. Pulmonology vector illustration about restrictive lung disease. - 151814366

Pulmonary disease concept with man in medical mask. Vector illustration.

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