Can wearing masks stop the spread of the coronavirus

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Can wearing masks stop the spread of the
Coronavirus?
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• Wearing a face mask wont 100 guarantee that you
  cant contract coronavirus, as it can be
  transmitted through the eyes and tiny viral
  particles, known as aerosols, can penetrate
  masks. However, masks are effective at capturing
  droplets, which is a main transmission route of
  coronavirus, and some studies have estimated a
  roughly fivefold protection versus no barrier
  alone.
• If you happen to be in close contact with someone
  infected, the mask offers much-needed protection
  as it reduces the chance of the disease being
  passed on.
• In case you are showing if youre showing
  symptoms of coronavirus, or have been diagnosed,
  wearing a mask can also protect others.