Your top 6 coronavirus questions from the weekend -- answered

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 9:28 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.

Minnesota Coronavirus Cases

Data is updated nightly.

Cases: 895229

Reported Deaths: 9462
CountyCasesDeaths
Hennepin1749772017
Ramsey722701040
Dakota66032572
Anoka62513568
Washington39357355
Stearns32821275
St. Louis28761399
Wright25354211
Scott25329181
Olmsted21750127
Sherburne18478126
Carver1629166
Clay11923103
Blue Earth1126366
Rice11234138
Crow Wing11003122
Chisago974676
Kandiyohi9660106
Otter Tail9611126
Benton8815124
Beltrami801794
Goodhue786596
Douglas7689100
Itasca752796
Mower721349
Winona702756
McLeod694483
Isanti681383
Steele669431
Morrison663479
Becker620873
Polk591684
Freeborn550846
Carlton529474
Nobles521654
Lyon518761
Mille Lacs516573
Nicollet510960
Pine500641
Cass491252
Todd483642
Brown465057
Le Sueur445933
Meeker422357
Martin378143
Wabasha366010
Waseca365132
Dodge351511
Hubbard349848
Roseau307931
Fillmore299115
Wadena298239
Redwood277845
Houston266817
Renville264151
Faribault253032
Pennington247529
Sibley246917
Kanabec241536
Cottonwood225032
Chippewa216342
Aitkin215850
Pope203210
Watonwan194920
Yellow Medicine185423
Rock174728
Swift169322
Koochiching168123
Stevens164511
Jackson159216
Clearwater155720
Marshall151122
Murray150911
Pipestone148329
Lake129824
Lac qui Parle120025
Wilkin119416
Mahnomen104714
Norman10389
Grant9719
Big Stone9365
Lincoln8705
Kittson71523
Red Lake70710
Traverse5996
Unassigned572124
Lake of the Woods5235
Cook3020

Iowa Coronavirus Cases

Data is updated nightly.

Cases: 516453

Reported Deaths: 7289
CountyCasesDeaths
Polk80319799
Linn32142424
Scott26637292
Black Hawk21974378
Woodbury20490258
Johnson19778105
Dubuque18515241
Pottawattamie15890213
Dallas15320113
Story1380258
Warren8450104
Cerro Gordo7964123
Clinton7725114
Webster7326122
Des Moines7098105
Marshall669093
Muscatine6645117
Wapello6441144
Jasper619591
Sioux610177
Lee5908105
Marion557897
Buena Vista502149
Plymouth488388
Henry418655
Benton404859
Jones404862
Bremer395372
Washington391463
Boone389739
Carroll367755
Mahaska365365
Crawford353747
Dickinson314655
Jackson307747
Buchanan305741
Clay295536
Delaware294654
Kossuth289077
Fayette286353
Hardin284353
Tama279777
Page272533
Wright266149
Cedar265527
Hamilton259857
Winneshiek258143
Floyd255449
Clayton244459
Poweshiek237243
Madison234525
Harrison234379
Cass233466
Butler232744
Iowa229634
Jefferson223043
Mills220930
Winnebago215938
Hancock214639
Cherokee211347
Lyon206142
Appanoose205357
Allamakee203955
Calhoun196919
Shelby196442
Union191141
Humboldt185130
Grundy183637
Franklin183029
Mitchell182043
Chickasaw178922
Emmet178246
Louisa176953
Sac171026
Guthrie168137
Montgomery161745
Clarke160829
Keokuk150839
Palo Alto150532
Howard146824
Monroe142739
Ida130141
Greene127517
Davis124625
Lucas124426
Monona122939
Worth12139
Pocahontas120724
Adair114337
Osceola104818
Decatur101913
Taylor98514
Fremont95913
Van Buren93222
Wayne84525
Ringgold76729
Audubon74917
Adams5748
Unassigned480
Rochester
Clear
32° wxIcon
Hi: 40° Lo: 27°
Feels Like: 24°
Mason City
Clear
31° wxIcon
Hi: 50° Lo: 27°
Feels Like: 20°
Albert Lea
Partly Cloudy
30° wxIcon
Hi: 45° Lo: 29°
Feels Like: 23°
Austin
Partly Cloudy
30° wxIcon
Hi: 45° Lo: 29°
Feels Like: 21°
Charles City
Partly Cloudy
32° wxIcon
Hi: 52° Lo: 28°
Feels Like: 23°
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