Summer flu: How it is different and what helps against it

How does a cold occur? A cold (doctors often call it a flu infection) starts slowly with a burning sensation in the nose, sneezing and a watery runny nose that can later become firm and yellow-green. There is also a sore throat, hoarseness, dry cough, later with sputum. The temperature is below 38°C, after 5-7 …

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