Your top 6 coronavirus questions from the weekend -- answered

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ER doctor Jeremy Faust says 'I want to reassure the well and really help focus in on who is sick,' and explains why Coronavirus fatality statistics are misleading.

Posted: Mar 9, 2020 10:28 AM
Updated: Mar 10, 2020 11:31 AM


Just a few months ago, this virus didn't exist in humans. By Monday morning, it has killed more than 3,800 people and infected more than 108,000 others worldwide.

Every day, CNN readers ask sharp questions about the mysterious novel coronavirus. And each weekday, we'll select some of the top questions and get you the answers.

Here are some of the questions submitted over the weekend:

Q. Why waste a test kit on a person without symptoms?

Some people with coronavirus have mild or no symptoms. And in some cases, symptoms don't appear until up to 14 days after infection.

During that incubation period, it's possible to get coronavirus from someone with no symptoms. It's also possible you may have coronavirus without feeling sick and are accidentally infecting others.

So anyone who has had close contact with someone known to have coronavirus should ask a health care provider about getting tested, the US Centers for Disease Control and Prevention said.

Anyone who recently traveled to a part of the world where coronavirus is widespread should do the same.

Q. How can someone pass along coronavirus when asymptomatic? If not sneezing or coughing, how can they infect others?

It's easy for asymptomatic people with coronavirus to spread the illness, said Dr. Anne Rimoin, an epidemiology professor at UCLA's School of Public Health.

"Certainly, when you speak, sometimes you'll spit a little bit," Rimoin said. "You'll rub your nose. You'll touch your mouth. You'll rub your eyes. And then you'll touch other surfaces, and then you will be spreading virus if you are infected and shedding asymptomatically."

Doctors stress that the best way to prevent getting coronavirus is not by wearing face masks, since they often cause more harm than good.

Instead, people should wash their hands with soap and water frequently for at least 20 seconds and stop touching their faces -- which is harder than it sounds.

Q. Can coronavirus go through skin and into the body?

"It may be possible that a person can get COVID-19 by touching a surface or object that has the virus on it and then touching their own mouth, nose, or possibly their eyes, but this is not thought to be the main way the virus spreads," the CDC says.

More often than not, people get coronavirus through respiratory droplets produced when an infected person coughs or sneezes.

"These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs," the CDC says.

The World Health Organization recommends staying at least 3 feet (1 meter) away from anyone who may be infected.

Q. If a coronavirus patient does progress to pneumonia, what antibiotics if any have proven to be effective?

No antibiotics are effective against coronavirus because the disease is a viral infection, not a bacterial infection.

"However, if you are hospitalized for the [coronavirus], you may receive antibiotics because bacterial co-infection is possible," the World Health Organization says.

There is no known cure for the coronavirus. Researchers are studying whether the antiviral drug remdesivir might work, but testing of that drug just started.

For now, coronavirus patients get "supportive" treatment, "which means giving fluids, medicine to reduce fever, and, in severe cases, supplemental oxygen," the Harvard Medical School says.

Scientists are working on developing a vaccine. But it will take months before clinical trials start, and more than a year before a vaccine could become available.

Q. If infected with coronavirus, can you survive it and recover?

Absolutely. The vast majority of people with coronavirus survive.

Last week, the director of the National Institute of Allergy and Infectious Diseases estimated the death rate is "about 2%."

But the true death rate might be much lower, since some coronavirus survivors might not have been tested and might not have had their cases reported.

Q. After recovering from coronavirus, does the recovered patient have immunity to the virus?

It's too early to know for sure. But other coronaviruses, like ones that cause the common cold, might give us clues.

With "common cold coronaviruses, you don't actually have immunity that lasts for very long, and so we don't know the answer with this specific coronavirus," said Dr. Celine Gounder, a professor of medicine and infectious diseases at the New York University School of Medicine.

"If you recover, are you immune? And if you are immune, how long does that last? And that's actually going to be one of the challenges with designing a vaccine is how do you actually cause the immunity to last long enough to protect you."

Have a question about coronavirus? Ask us here.

Indiana Coronavirus Cases

(Widget updates once daily at 8 p.m. ET)

Confirmed Cases: 32437

Reported Deaths: 2030
CountyConfirmedDeaths
Marion9371546
Lake3347170
Cass15867
Allen135366
St. Joseph121834
Hendricks113567
Hamilton112391
Johnson1092104
Elkhart107028
Madison58259
Porter49521
Bartholomew48634
Clark47141
LaPorte41523
Tippecanoe3803
Howard37620
Jackson3681
Delaware35936
Hancock32327
Shelby32121
Floyd31539
Boone29335
Morgan27024
Vanderburgh2532
Montgomery23317
White2288
Decatur22431
Clinton2221
Grant19521
Noble19221
Harrison18821
Dubois1852
Henry1709
Greene16824
Warrick16528
Dearborn16421
Monroe16211
Vigo1507
Lawrence14623
Miami1391
Putnam1347
Jennings1284
Orange12422
Scott1183
Ripley1136
Franklin1068
Kosciusko971
Carroll932
Daviess8416
Marshall801
Steuben802
Wayne755
Newton7410
Wabash732
Fayette714
Jasper621
LaGrange622
Washington521
Fulton471
Jay460
Randolph453
Rush452
Jefferson421
Whitley412
Clay411
Pulaski400
Owen341
Sullivan331
DeKalb331
Brown331
Starke313
Perry260
Wells260
Huntington262
Knox250
Benton250
Tipton241
Crawford230
Blackford202
Switzerland190
Fountain182
Parke180
Spencer171
Posey160
Gibson142
Ohio130
Warren121
Adams121
Vermillion100
Martin90
Union80
Pike60
Unassigned0159

Illinois Coronavirus Cases

(Widget updates once daily at 7 p.m. CT)

Confirmed Cases: 114306

Reported Deaths: 5083
CountyConfirmedDeaths
Cook745213455
Lake7845270
DuPage7350347
Kane5947162
Will5279264
Winnebago200152
McHenry147569
St. Clair103573
Kankakee80843
Kendall73619
Rock Island63823
Champaign5807
Madison54457
Boone41016
Sangamon33727
DeKalb3343
Randolph2644
Jackson24210
McLean21513
Out of IL2051
Stephenson1942
Ogle1932
Macon18919
Peoria1888
Clinton17817
Union1437
LaSalle14013
Whiteside13410
Iroquois1314
Coles11912
Warren1130
Unassigned1100
Jefferson10116
Knox940
Monroe9311
Grundy882
McDonough837
Lee761
Tazewell693
Cass680
Henry670
Williamson572
Marion500
Jasper457
Adams441
Macoupin431
Perry410
Pulaski410
Montgomery391
Vermilion371
Morgan341
Christian334
Jo Daviess310
Livingston312
Douglas260
Fayette203
Ford201
Jersey201
Washington180
Woodford182
Mason170
Menard170
Mercer160
Shelby161
Bureau151
Hancock150
Carroll142
Franklin120
Piatt120
Schuyler120
Crawford110
Fulton110
Bond101
Brown100
Clark100
Cumberland100
Logan100
Moultrie100
Wayne91
Alexander80
Henderson80
Johnson70
Massac70
Saline70
Effingham61
Greene50
Marshall50
De Witt40
Lawrence40
Richland30
Stark30
Clay20
Edwards20
Gallatin20
Hamilton20
Wabash20
White20
Calhoun10
Hardin10
Pike10
Pope10
Putnam10
Edgar00
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