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What Is a Cold?
The common cold is caused by any one of more than 200 viruses that infect the upper respiratory system. These viruses affect the mucous membranes of the nose and throat and cause a variety of symptoms, such as:
- Nasal congestion
- Sneezing
- Sore throat
- Runny nose
- Headache
- Watery eyes
- Coughing
- Sinus inflammation and congestion
- Slight fever
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Meda Pharmaceuticals
