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kn95 n99, Most coronaviruses cause only mild symptoms, similar to that of the common cold. Other strains, such as Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS), can cause pneumonia and death. Passengers wear masks to prevent an outbreak of a new coronavirus in a subway station, in Hong Kong, Wednesday, Jan. 22, 2020. The first case of coronavirus in Macao was confirmed on Wednesday, according to state broadcaster CCTV. The infected person, a 52-year-old woman, was a traveller from Wuhan. (AP Photo/Kin Cheung)

kn95 n99 - The coronavirus, or 2019-nCoV, began at an animal and seafood market in Wuhan and has spread to several other countries. The illness is said to be transferable between humans. Symptoms of the virus include fever, cough and shortness of breath. There aren't many preemptive steps that can be taken to avoid infection, other than practicing basic sanitary measures on a regular basis. The Centers for Disease Control and Prevention (CDC) recommends washing your hands regularly and avoiding contact with other sick people who are recovering from an illness. It also suggests avoiding touching your eyes and face, along with keeping objects and surfaces in your home or workspace clean and disinfected.

kn95 n99, CLICK HERE TO GET THE FOX NEWS APP There is no vaccine to protect against the virus, although the National Institutes of Health had confirmed to Fox News that they were in the “early stages” of developing one, and officials are hoping a lockdown placed on 13 cities will help contain the virus from spreading further. China's leaders have made major efforts to contain the spread of the virus, including the immediate construction of a 1,000-bed hospital to accommodate the growing number of patients.

kn95 n99 - The hospital will be constructed out of prefabricated buildings to accelerate the timetable, according to state media. Fox News' Alexandria Hein and The Associated Press contributed to this report

kn95 n99 - Chinese government quarantines entire cities; Dr. Janette Nesheiwat on the deadly outbreak. The U.S. government is sending a charter flight to the Chinese city of Wuhan on Sunday in an effort to evacuate its citizens and diplomats as the country continues to battle an outbreak of the coronavirus that has already killed 41 people and infected over 1,300 more, reports say. The U.S. consulate contacted known American citizens living in Wuhan where the virus is believed to have originated from and offering them a seat on the 230 person flight back to the U.S., the Wall Street Journal reported, citing a person familiar with the operation.