| NOUN | state | respiratory infection, respiratory tract infection | any infection of the respiratory tract |
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| Meaning | Any infection of the respiratory tract. | |
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| Synonym | respiratory tract infection | |
| Narrower | lower respiratory infection | infection of the lower respiratory tract |
| upper respiratory infection | infection of the upper respiratory tract | |
| Broader | infection | The pathological state resulting from the invasion of the body by pathogenic microorganisms |