Dr. Angela Hewlett

Dr. Angela Hewlett

With health experts' eyes trained on China and the outbreak of a new strain there, Americans have been hearing a lot about coronavirus.

But it's important to know that not all coronaviruses are created equal. 

Coronaviruses are common, and there are a lot of them, most causing only mild illness, including the common cold, said Dr. Angela Hewlett, an infectious diseases physician with Nebraska Medicine. Symptoms may include runny noses and sore throats. 

The new one that's been identified in China, however, is different, said Hewlett, the medical director of the Nebraska Biocontainment Unit. It can cause more severe illness, including pneumonia. It's more similar to the coronaviruses that cause Middle East Respiratory Syndrome, or MERS, and Severe Acute Respiratory Syndrome, or SARS, than to the coronaviruses circulating in the community.

The U.S. on Tuesday reported its first case of the coronavirus that is circulating in China, saying a Washington state resident who returned last week from the outbreak’s epicenter was hospitalized in good condition near Seattle, the Associated Press reported. 

As a precaution, the three international airports that receive passengers traveling from Wuhan in China, where the outbreak of the new coronavirus is believed to have started, last week began screening to detect travelers who may have been sickened by it. The Centers for Disease Control and Prevention said the agency would add screenings at two more airports — Chicago and Atlanta — this week.  

Nebraska Medicine also has added Wuhan to the travel locations patients are screened for when they visit clinics or the emergency room.

During such visits, health care providers start by asking patients whether they have a fever, cough or rash, Hewlett said. Those who do are asked to wear a mask. That's an important way to control the spread of respiratory illnesses, including influenza.

After that, patients are asked whether they have traveled outside the United States within the past month and, if so, where they have traveled. The answers could suggest MERS, if patients have traveled to the Arabian Peninsula, or Ebola, if they have visited the Democratic Republic of the Congo. But the travel question also can pick up on other potential concerns, such as malaria, in travelers who have been to parts of Africa or South America.

Hewlett said Nebraska and Iowa residents face a more immediate concern than the new coronavirus.

"I would be much more worried about influenza than this novel coronavirus in China," she said. 

It's not too late to get the flu shot, she said. Those who are sick should stay home. Everyone should cover their coughs and wash their hands. Both go a long way toward preventing the spread of all kinds of viruses.

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