What You Need to Know About China’s Virus Outbreak

Alarm is spreading over a mysterious outbreak of pneumonia in central China that has been linked to a new coronavirus — a family of bugs responsible for diseases that range in severity from the common cold to Severe Acute Respiratory Syndrome, or SARS. Because some of the patients worked or shopped at a seafood market where live animals and wildlife parts were also reportedly sold, there was concern that the pathogen might have come from animals, as SARS probably did — reviving memories of the