Here's what you need to know as of today about the disease caused by the new coronavirus.

PMG PHOTO: DANA HAYNES - Social distancing while waiting to get into a Trader Joe's in Northwest Portland.

Oregon, by the numbers

Editor's Note: The statistics from the Oregon Health Authority have not yet been updated for Friday, April 17.

The number of confirmed Oregon cases of COVID-19 rose by 73 on Thursday, April 16. That brings the state total to 1,736.

The Oregon Health Authority also reports six more deaths due to the COVID-19 outbreak, raising the total to 64.

The newly reported deaths include an 84-year-old man in Multnomah County who tested positive on March 24 and died on April 13 at his residence; a 56-year-old man in Multnomah County who tested positive on March 28 and died on April 14 at Legacy Mount Hood Medical Center; a 78-year-old man in Multnomah County who tested positive on March 30 and died on April 14 at his residence; a 69-year-old man in Multnomah County who tested positive on April 13 and died on April 15 at Kaiser Sunnyside Medical Center; a 74-year-old woman in Benton County who tested positive on April 2 and died on April 14 at Good Samaritan Regional Medical Center; and a 92-year-old man in Marion County who tested positive on April 14 and died on April 11 at his residence.

All six had underlying medical conditions.

The new COVID-19 cases reported today include 18 in Multnomah County; 15 in Marion County; 12 in Washington County; eight in Clackamas County; five in Umatilla County; four in Deschutes County; three in Klamath County; two each in Benton and Douglas counties; and one each in Lane, Linn, Malheur and Yamhill counties.

Oregon Health Authority reports new cases once a day at the Health Authority website.

The United States, by the numbers

Editor's Note: The statistics from the U.S. Centers for Disease Control and Prevention have not yet been updated for Friday, April 17.

As of Thursday, April 16, the CDC reports a total of 632,220 confirmed cases in the United States. That's up from 579,005 as of Tuesday.

The CDC also reports a total of 26,930 deaths as of Thursday. That' sup from 22,252 on Tuesday.

Readers can track the daily spread of the disease here.

The CDC counts only deaths in which the presence of the coronavirus is confirmed in a laboratory test. according to the Washington Post. "We know that it is an underestimation," agency spokeswoman Kristen Nordlund told the Post.

What do we know about COVID-19?

It's a respiratory illness that can spread from person to person.

The name COVID-19 stems from the disease's origin: (CO)rona(VI)rus (D)isease that first emerged in 20(19).

The virus causing COVID-19 is not the same as the coronaviruses that commonly circulate among humans and cause mild illness, like the common cold. Find out more at the CDC website.

How is it spread?

The virus is thought to spread mainly between people who are in close contact with one another — "close" meaning within about 6 feet — through respiratory droplets produced when an infected person coughs or sneezes. (It also may be possible that people can get it 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.) Learn what is known about the spread of newly emerged coronaviruses at this site.

What are the symptoms?

Most patients with COVID-19 have had mild to severe respiratory illness with symptoms of fever, a cough and shortness of breath. In the more severe cases, some patients have pneumonia in both lungs, multi-organ failure and, in some cases, death.

How can I help protect myself?

Avoid close contact with people who are sick. Avoid touching your eyes, nose and mouth with unwashed hands. Wash your hands often with soap and water for at least 20 seconds. Use an alcohol-based hand sanitizer that contains at least 60% alcohol if soap and water are not available.

What should you do if you're sick?

Stay home when you are sick. Cover your cough or sneeze with a tissue, then throw the tissue in the trash. And clean and disinfect frequently touched objects and surfaces.

What should I do if I recently traveled from an area with ongoing spread of COVID-19?

If you have traveled from an affected area, there may be restrictions on your movements for up to two weeks. If you develop symptoms during that period — such as a fever, cough or trouble breathing — seek medical advice. Call your health care provider before you go, and explain about your travel and your symptoms. Your health care provider will give you instructions on how to get care without exposing other people to your illness. While sick, avoid contact with people, don't go out and delay any travel to reduce the possibility of spreading illness to others.

Is there a vaccine?

Just like the common cold, there is no vaccine to protect against COVID-19. The best way to prevent infection is to take everyday preventive actions, like avoiding close contact with people who are sick and washing your hands often.

Is there a treatment?

There is no specific antiviral treatment for COVID-19. People with COVID-19 can seek medical care to help relieve symptoms. Call your doctor first before going it, to avoid exposing others.

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