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The NBA is using smart technology to keep players safe when the league returns from a 3-month coronavirus hiatus in July.

NBA players will wear a "smart ring" that detects symptoms of COVID-19 up to three days in advance.

According to CNBC, players will wear the new "Oura Smart Ring" that is capable of detecting COVID-19 symptoms up to 3 days in advance with 90% accuracy.

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Wearing the ring is not mandatory. Some players, including Brooklyn Nets star Kyrie Irving, have suggested they may not play when the NBA returns in July.

The ring can monitor body temperature, respiratory rate, and heart rate, according to the manufacturer.

The Oura Ring was originally designed as a sleep tracker, but Oura Health, the company that manufactures the ring, soon find out the metrics could help detect coronavirus symptoms by monitoring the body temperature and other metrics.

According to a study by the University of California, San Francisco,2,000 medical workers wore the Oura Ring and completed daily surveys.

The study's objective was to monitor "the onset of symptoms such as fever, cough, and fatigue, which can characterize COVID-19," according to the UCSF.

The study's results were incomplete by the time the Oura Rings were purchased by the NBA.

West Virginia Rockefeller Neuroscience Institute conducted a similar study that found the Oura Ring was 90% accurate in predicting COVID-19.

But the study was carried out in conjunction with Oura Health, which raised the suspicion of a conflict of interest.

The Oura Ring is on sale for $299 on the company website and Amazon.com.

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The Centers for Disease Control and Prevention (CDC) has tripled the number of signs and symptoms for Covid-19.

The original symptoms included fever, coughing and shortness of breath. The new symptoms include muscle pain, headache, shaking chills, sore throat and loss of taste or smell. The symptoms appear 2 to 14 days after exposure to the virus.

A rare sign usually seen among the elderly population is reddened eyes, pink eye or eye irritation and itching.

Many adults report a loss of taste or smell. There are enough reports of this symptom to add it to the original list.

"If you have a sudden change in taste or smell... this may be the initial marker, so you would not want to be spreading it," said a CDC researcher.

The CDC warns that older adults over 50 and those with underlying, preexisting conditions such as diabetes, COPD, heart problems, HIV/AIDS, obesity, and asthma continue to be at high risk for Covid-19.

98% of people who test positive for Covid-19 recover after showing no symptoms or mild to moderate symptoms.

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Cardi B is calling out celebrities for "causing confusion" by going public with their positive coronavirus diagnoses with no symptoms.

The 27-year-old rapper took to Instagram Live on Tuesday to question why celebrities and athletes are being tested for the virus if they have no symptoms.

"I wanna let these celebrities know, the confusion that the general public has, if a celebrity is saying I don't have no symptoms... but I went and got tested and I got positive, that causes confusion. That makes people be like 'wait a minute, I went out... I might just have it. I'm scared!"

Cardi claimed celebrities are paying $34,000 for private testing, which is not available to the general public.

"The coronavirus is very much real. First things first," she continued.

"A lot of celebrities, you have the luxury to pay $34,000, or whatever the f**k it costs to get tested and treated. A lot of these people don't f**king have that money. Some people don't even have enough to f**king afford healthcare. And I feel like all this s**t, for coronavirus treatments, for testing, I feel like the government should take that s**t, charge that s**t to the game, and not charge people for it."

And while the United States is currently offering tests to older people in their 40s to 60s who have flu-like symptoms, they have to wait four days for the results.

"If you are positive for coronavirus they will tell you to quarantine in your home and come back if your fever goes 100 and some s**t degrees. I don't feel like that's right," the "Bodak Yellow" rapper added.

Cardi has been sharing her thoughts on the flu-like pandemic on her social media pages. She recorded a gimmick song about the virus that went viral.