World

The app, called "Covid Alert NY", is free and available through Apple's App Store and Google Play for both iOS and Android, CNBC said in a news report.

During Tuesday's acrimonious showdown with Biden, debate moderator Chris Wallace called on Trump to explicitly condemn white supremacists.

Earlier in the day, President Trump had announced that he and his wife Melania Trump have been tested positive for coronavirus.

The president had argued that the US needs to save and protect jobs for its domestic work force at a time when millions of them lost their jobs due to the coronavirus pandemic.

The announcement came after White House adviser Hope Hicks, one of Trump's closest aide, was confirmed to have tested positive for the virus on Thursday.

Another 15 people were injured and taken to hospitals, where they were in stable condition, the official Xinhua News Agency said.

Trump did not say how long he was planning to be in isolation -- he is regularly tested for the potentially deadly virus but the tests can yield false negative results.

The US is the worst-hit country with the world's highest number of cases and deaths at 7,277,352 and 207,791, respectively, according to the CSSE.

Research team identified 522,472 news articles that reproduced or amplified misinformation related to the coronavirus pandemic, or what the World Health Organization has called the "infodemic"