The number of confirmed cases of the coronavirus (COVID-19) in Michigan has risen to 15,718 as of Sunday, including 617 deaths, state officials report.

On Saturday, April 4, the number of confirmed Michigan coronavirus cases climbed to 14,255 with the death toll at 540.

READ: Michigan coronavirus (COVID-19) cases up to 14,225; Death toll now at 540

According to a report from the Associated Press published Sunday, the number of confirmed coronavirus cases in the city of Detroit alone is nearing 4,000 with 129 deaths.

According to the White House, Metro Detroit could hit its virus peak within days.

More instant tests are in the hands of Detroit doctors fighting against the coronavirus pandemic. Wayne State University Physician Group has purchased four new devices that quickly deliver COVID-19 test results.

The devices can process a total of 500 tests each day and provide results within an hour.

Last week, Michigan Gov. Gretchen Whitmer stated that cases and deaths are expected to continue rising in the coming weeks, but urged Michigan residents to continue to stay home and practice mitigation.

Global infections now exceed more than 1.2 million, and close to 65,000 people have died worldwide.

READ: Local coverage of the coronavirus pandemic from Sunday

• Michigan National Guard to expand support of food banks to Royal Oak during COVID-19 response
• Detroit mail handler dies from COVID-19
• Retired MSP sergeant dies from COVID-19 days after wife’s death
• Archdiocese of Detroit announces cancelation of Holy Week celebrations as coronavirus cases surge

Increase in cases doesn’t discredit social distancing

It is important to note that while the number of cases is going up, it does not mean social distancing is not working. People who are testing positive now could have been exposed to the virus several weeks ago, and many people don’t show symptoms for several days.

It will take weeks to see the results of the stay-at-home order and other social distancing measures that have been put in place. Additionally, the state is still reporting results from a backlog of tests.

For most people, the new coronavirus causes mild or moderate symptoms that clear up in two to three weeks. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia and death.

Having trouble viewing the data below? Click here to view.

Here is a charted timeline of confirmed coronavirus (COVID-19) cases in Michigan:

• Here’s which Michigan counties have confirmed cases of coronavirus
• Full coverage: Coronavirus in Michigan

Here’s the Michigan county case count mapped and the total number of cases in each US state:

Here are Michigan’s COVID-19 deaths mapped per county:

Here are Michigan COVID-19 cases broken down by age range (view here if you’re not seeing the table):

Here are Michigan COVID-19 cases broken down by gender (view here if you’re not seeing the table):

How COVID-19 Spreads

Person-to-person spread

The virus is thought to spread mainly from person-to-person.

• Between people who are in close contact with one another (within about 6 feet).
• 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.

Can someone spread the virus without being sick?

• People are thought to be most contagious when they are most symptomatic (the sickest).
• Some spread might be possible before people show symptoms; there have been reports of this occurring with this new coronavirus, but this is not thought to be the main way the virus spreads.

Spread from contact with contaminated surfaces or objects

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.

How easily the virus spreads

How easily a virus spreads from person-to-person can vary. Some viruses are highly contagious (spread easily), like measles, while other viruses do not spread as easily. Another factor is whether the spread is sustained, spreading continually without stopping.

Prevention & Treatment

There is currently no vaccine to prevent coronavirus disease 2019 (COVID-19). The best way to prevent illness is to avoid being exposed to this virus. However, as a reminder, CDC always recommends everyday preventive actions to help prevent the spread of respiratory diseases, including:

• Avoid close contact with people who are sick.
• Avoid touching your eyes, nose, and mouth.
• Stay home when you are sick.
• Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
• Clean and disinfect frequently touched objects and surfaces using a regular household cleaning spray or wipe.

Wash your hands often with soap and water for at least 20 seconds, especially after going to the bathroom; before eating; and after blowing your nose, coughing, or sneezing.

MORE: Beaumont Health launches coronavirus hotline for patients with symptoms

People who think they may have been exposed to COVID-19 should contact their healthcare provider immediately.

Question about coronavirus? Ask Dr. McGeorge here.

Read more about coronavirus here.