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Coronaviruses (冠状病毒) are a large family of viruses (病毒). It can cause disease (疾病) in animals. It can cause sickness from the ______ cold to much more serious disease like SARS. Experts still know little about the new coronavirus.

The disease is called a “novel” or new coronavirus because it is _____ for the first time in humans. It is said that the virus has spread to humans from wild animals. Chinese officials say the disease is able to spread from one person to _____. This makes it especially hard to _____.

Signs of the patients have included (包括) fever, cough, shortness of breath and general breathing _____. In more serious cases, the virus can cause pneumonia (肺炎). Some people report few or no signs. _______ others have gotten very sick or even died. It is reported that signs of the virus may appear between 2 and 14 days after being near someone who is ill.

There is no special treatment for it. _____, many patients can get well, as long as they’re in good _____. Because the virus is so new among humans, no available vaccine (疫苗)is _____ to protect against the disease. But the WHO (世界卫生组织) advises people to avoid close touch with anyone showing signs of a breathing disease, such as coughing. It also says people should wash their hands often and pay attention to the food safety.

The government also gave some helpful suggestions. It says washing your hands for at least twenty ______ with soap and water, avoiding touching your face with unwashed hands, staying at home when you are sick, and cleaning objects and surfaces that are touched often.