Code orange for flu: how do you prevent infection and is the flu vaccine still useful? “Virus can survive outside the body for hours to days”

The warning level for flu in our country has been raised to code orange. But what causes that disease? How can you prevent or treat an infection? And does it still make sense to get a flu shot? We asked our science expert Martijn Peters: “Even if you don’t immediately come close to someone with the flu, you should still be more careful.”

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