A woman wearing a protective mask to prevent the spread of the SARS-like virus walks on a streert after a snowfall in Beijing on February 2, 2020. - A virus similar to the SARS pathogen has killed more than 300 people in China and spread around the world since emerging in a market in the central Chinese city of Wuhan. (Photo by NICOLAS ASFOURI / AFP) (Photo by NICOLAS ASFOURI/AFP via Getty Images)
