Coronavirus updates: Trump says 'not much' he'd change about COVID response

Thirty-one states are considered in the red zone for new cases in the last week.

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

Over 40.7 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 criteria for diagnosis -- through clinical means or a lab test -- has varied from country to country. Still, 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 United States is the worst-affected country, with more than 8.2 million diagnosed cases and at least 220,955 deaths.

California has the most cases of any U.S. state, with more than 883,000 people diagnosed, according to Johns Hopkins data. California is followed by Texas and Florida, with over 862,000 cases and over 760,000 cases, respectively.

More than 190 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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Belgium sees 88% jump in deaths

Belgium has seen a 69% increase in COVID-19 cases and an 88% jump in fatalities in the last week, according to the Health Ministry.

The nation has reported a total of 10,443 fatalities, including 221 deaths in the last week. With a population of around 11 million, Belgium has one of the highest per capita fatality rates in the world.

Belgium's test-positivity rate stands at 15%.

ABC News' Aicha El Hammar and Christine Theodorou contributed to this report.


COVID-19 patients in hospitals 5 times more likely to die than those hospitalized with flu, CDC says

Patients hospitalized with COVID-19 are five times more likely to die compared to patients hospitalized with the flu, according to a Centers for Disease Control and Prevention study. They were also more likely to need more time in the hospital to recuperate, and to develop medical complications like blood clots.

Among patients with COVID-19, the risk for certain complications, including respiratory and kidney problems, was higher for Black and Hispanic patients compared to white patients.

The study, however, was only among hospitals from within the Veterans Health Administration, so it may not be directly applicable across other hospital settings.

ABC News' Sony Salzman contributed to this report.


Ohio reports record high number of new hospitalizations

Ohio reported 216 new hospitalizations in the last 24 hours -- a record high for the state, Gov. Mike DeWine said Tuesday.

Ohio now has a total of 17,388 patients with COVID-19 in hospitals, according to state data.

"In the past day, 2,015 new cases have been reported in Ohio, and our numbers continue to rise at a rate that should concern all of us," the governor tweeted.

Ohio has over 185,000 people diagnosed with COVID-19. At least 5,083 have died.


Cuomo discourages New Yorkers from unnecessary travel to NJ, PA, CT

In New York, where the statewide positivity rate is 1.3%, neighboring states Connecticut, New Jersey and Pennsylvania now meet the criteria for New York's growing list of states on its travel advisory, Gov. Andrew Cuomo said Tuesday.

Because "there is no practical way to quarantine New York from Pennsylvania, New Jersey and Connecticut," the states won't be added to the list, Cuomo said in a statement. However, the governor said he's discouraging nonessential travel between the states.

New York's travel advisory requires people coming to the Empire State to quarantine for two weeks if they're arriving from a state with a positive test rate higher than 10 per 100,000 residents over a one-week average or an area with a 10% or higher positivity rate over a one-week rolling average.

These are the states and territories currently on New York's list: Alaska, Alabama, Arkansas, Arizona, Colorado, Delaware, Florida, Georgia, Guam, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Mexico, Nevada, Ohio, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Wisconsin, West Virginia and Wyoming.

ABC News' J. Gabriel Ware contributed to this report.


Analysis shows rise in COVID-19 hospitalizations in 41 US states

An ABC News analysis of COVID-19 trends across all 50 U.S. states as well as Washington, D.C. and Puerto Rico found there were increases in hospitalizations over the past two weeks in 41 states.

The analysis also found increases in newly confirmed cases of COVID-19 in 39 states, increases in the daily positivity rate of COVID-19 tests in 27 states and increases in daily COVID-19 death tolls in 13 states.

Over the last five weeks, cases have been steadily increasing across the nation. The United States is currently averaging over 55,000 new cases a day -- the highest that average has been since Aug. 5. New cases have surged by over 61% since Sept. 12. Meanwhile, current COVID-19 hospitalizations continue to hover between 36,000 and 37,000.

In the past week alone, the country has recorded nearly 386,000 new cases, including two days where there were over 60,000 cases reported -- the highest daily figures since late July.

Sixteen states reported record weekly increases in new cases. Fourteen states hit a record number of current COVID-19 hospitalizations last week, while two states saw a record number of current hospitalizations in a day. Two states reported their highest weekly death tolls from COVID-19.

This week, the United States is on track to top 1 million cases for the month of October, making it the fourth month on record to surpass the grim milestone.

The trends were all analyzed from data collected and published by the COVID Tracking Project over the past two weeks, using the linear regression trend line of the seven-day moving average to examine whether a state's key indicators were increasing, decreasing or remained flat.

ABC News' Benjamin Bell, Brian Hartman, Soorin Kim and Arielle Mitropolous contributed to this report.