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If a person had an infection of the respiratory system, they would most likely have a cough.
no
it is an infection of the upper respiratory system.
Viral Infection
If you have an infection in the respiratory system then this can cause your airways to become restricted so that you cannot breath.
It may if there is an infection in it or if you are allergic to it.
It would depend on where in the respiratory system the infection was, but coughing, especially a productive cough, is a major hallmark of lower respiratory infections. Chest pain is possible, but not guaranteed; same with fever. For an upper respiratory infection, I would expect a runny nose or nasal/sinus congestion.
Acute= severe. Lower Respiratory Tract= Respiratory system below the larynx. This refers to a pneumonia or a bronchitis.
Tuberculosis(TB)
streptococus pneumonia
antibodies
To fight off infection or prevent sickness.