For all the latest news about the coronavirus, click here.

How effective are face masks in helping protect against the novel coronavirus?

If you’re wondering whether wearing a face mask helps protect against the novel coronavirus, watch the featured video in which the Guardian health editor, Sarah Boseley, gives the lowdown on the effectiveness of wearing a face mask to protect against the coronavirus, and explains how viruses are spread.

Boseley says that the advice of public health authorities in many places is that masks are not necessary and may actually be unhelpful. “One of the reasons is that people will think that they are protected when they are actually not.”

The advice in China is different, where people have been instructed to wear masks because so many people are infected.

So what can you do if you are worried about the virus?

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The best thing you can do is keep your distance from ill people, wash your hands regularly and when you’re out and haven’t been able to wash your hands, avoid touching your eyes, nose or mouth.

To learn more, watch the featured video.

For all the latest news about the coronavirus, click here.