The Illinois Department of Public Health says there's still time to get your flu shot. Flu activity usually peaks between December and February, so it makes sense to get vaccinated if you haven't already, according to the state's chief medical doctor Jennifer Layden.

She notes there are other things you can do to protect yourself from the flu as well.

Click here for Layden's comments

The flu typically is spread by droplets when someone who is sick coughs or sneezes. It takes about two days after being exposed to the flu for symptoms to begin, although you can infect others just one day after exposure.

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