Mucus may drip into a respiratory tract.Logical formLearned from2 sentences. Blue-collar workers may have respiratory infections.Logical formLearned from2 sentences. A case can be constituted-of-or-filled-with respiratory infection.Logical formLearned from2 sentences. Some upper respiratory infections may mimic a cold.Logical formLearned from2 sentences. A person may develop an upper respiratory infection.Logical formLearned from2 sentences. A respiratory disease may be caused by a fungus.Logical formLearned from2 sentences. An upper respiratory infection can be at a time of death.Logical formLearned from2 sentences. A respiratory (control center) may function.Logical formLearned from2 sentences. Some victims may have an upper respiratory infection.Logical formLearned from2 sentences. An upper respiratory infection may be combined with a flu.Logical formLearned from2 sentences. Respiratory passages can be by white (blood cells).Logical formLearned from2 sentences. Migration can be to respiratory passages.Logical formLearned from2 sentences. (Chicken soup) may stop migration to respiratory passages.Logical formLearned from2 sentences. Companies may provide respiratory care.Logical formLearned from2 sentences. A (blockage syndrome) can be respiratory.Logical formLearned from2 sentences.