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It’s sick season. Here’s how to protect yourself from norovirus, COVID-19, flu and RSV - National | Globalnews.ca

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Scientists think the winter surge of flu and cold activity may be because we spend more time indoors and the cold, dry air may weaken our defenses.

The common cold can be caused by several different types of viruses and can cause a runny nose, congestion, cough, sneezing, sore throat, headaches, body aches or low fever.

Norovirus is a foodborne illness that can spread through water and contaminated surfaces.

To treat a cold, flu or COVID-19 , rest and drink fluids.

You can take pain relievers to lower a fever or help with an achy body.

There’s no medication for norovirus. Instead, you’ll need to rehydrate as much as possible with water.