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" Have you got asthma?"

An 8-month-old girl with shortness of breath and wheezing (4)

Along with her cough as a sign of general airway irritation, shortness of breath was her major complaint with a clearly audible expiratory wheeze.
Wheezing is a symptom of bronchial obstruction caused by malformations, compression, infections or accompanies other pathological processes as a secondary symptom, e.g. aspiration or immunodeficiency. The girl in this case had experienced previous episodes with the same complaints, but not as severe. After exclusion of congenital and other pathological processes, the positive test result of the nasal secretions provides a clear diagnosis of RSV reinfection. But what makes this virus so pathogenic every time it reappears in the winter season?

* Synthesis and Conclusion *