A pandemic of the novel coronavirus has now killed more than 736,000 people worldwide.
Over 20 million people across the globe have been diagnosed with COVID-19, the disease caused by the new respiratory virus, according to data compiled by the Center for Systems Science and Engineering at Johns Hopkins University. The actual numbers are believed to be much higher due to testing shortages, many unreported cases and suspicions that some national governments are hiding or downplaying the scope of their outbreaks.
Since the first cases were detected in China in December, the United States has become the worst-affected country, with more than 5 million diagnosed cases and at least 163,465 deaths.
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3:45 a.m.: US records under 50,000 new cases for 2nd straight day
There were 49,544 new cases of COVID-19 identified in the United States on Monday, according to a count kept by Johns Hopkins University.
It's the second consecutive day that the nation has recorded under 50,000 new cases. An additional 525 coronavirus-related deaths were also reported.
Sunday's caseload is well below the record set on July 16, when more than 77,000 new cases were identified in a 24-hour reporting period.
A total of 5,094,565 people in the U.S. have been diagnosed with COVID-19 since the pandemic began, and at least 163,465 of them have died, according to Johns Hopkins. The cases include people from all 50 U.S. states, Washington, D.C. and other U.S. territories as well as repatriated citizens.
By May 20, all U.S. states had begun lifting stay-at-home orders and other restrictions put in place to curb the spread of the novel coronavirus. The day-to-day increase in the country's cases then hovered around 20,000 for a couple of weeks before shooting back up and crossing 70,000 for the first time in mid-July.
Many states have seen a rise in infections in recent weeks, with some — including Arizona, California and Florida — reporting daily records. However, the nationwide number of new cases and deaths have both decreased in the last week, according to an internal memo from the Federal Emergency Management Agency obtained by ABC News Monday night.
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ABC News' Josh Margolin contributed to this report.