Respuesta :

Hi there! Thanks for asking a question here on Brainly.

Pertussis
 is a highly contagious bacterial infection of the lungs.

Answer: P
ertussis

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia
It could also be pneumonia.
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