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The novel coronavirus pandemic has killed over 1.1 million people worldwide.

ByMorgan Winsor, Emily Shapiro, and Ivan Pereira
Video byJessie DiMartino
Last Updated: November 2, 2020, 3:53 AM EST

A pandemic of the novel coronavirus has now killed more than 1.1 million people worldwide.

Over 44.3 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. The criteria for diagnosis -- through clinical means or a lab test -- has also varied from country to country.

Since the first cases were detected in China in December, the virus has rapidly spread to every continent except Antarctica. The United States is the worst-affected nation, with more than 8.8 million diagnosed cases and at least 227,673 deaths.

Nearly 200 vaccine candidates for COVID-19 are being tracked by the World Health Organization, at least 10 of which are in crucial phase three studies. Of those 10 potential vaccines in late-stage trials, there are currently five that will be available in the United States if approved.

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Here's how the news developed today. All times Eastern.
Oct 28, 2020, 4:24 AM EDT

US reports over 73,000 new cases, nearly 1,000 deaths

There were 73,240 new cases of COVID-19 identified in the United States on Tuesday, according to a real-time count kept by Johns Hopkins University.

The latest daily tally is nearly 6,500 more than the previous day but still less than the country's all-time high of 83,757 new cases set on Friday.

An additional 985 fatalities from COVID-19 were also registered nationwide Tuesday, more than double the previous day's count but still down from a peak of 2,666 new deaths in mid-April.

Public health nurses look on during COVID-19 testing outside the Salt Lake County Health Department in Salt Lake City, Utah, on Oct. 23, 2020.
Rick Bowmer/AP

A total of 8,779,653 people in the United States have been diagnosed with COVID-19 since the pandemic began, and at least 226,723 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 80,000 for the first time on Oct. 23.

An internal memo from the U.S. Department of Health and Human Services that was obtained by ABC News on Tuesday night shows the number of new COVID-19 cases recorded across the nation has increased substantially in week-over-week comparisons, as has the number of new deaths from the disease.