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Illinois Department of Public Health Director Dr. Ngozi Ezike speaks Wednesday, Oct. 21, 2020 at the state’s daily COVID-19 press briefing. (WTTW News)

State health officials on Wednesday reported 69 coronavirus-related deaths – the highest number in a single day since June, when Illinois was coming off its initial peak in COVID-19 infections.

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In this Feb. 26, 2019 file photo, Albert Bourla, chief executive officer of Pfizer, prepares to testify before the Senate Finance Committee hearing on drug prices, on Capitol Hill in Washington. (AP Photo / Pablo Martinez Monsivais, File)

Despite President Donald Trump’s repeated promises of a vaccine before Election Day, scientists have been cautioning that it’s unlikely data showing a leading shot actually works would come until November or December. 

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In this March 3, 2020 file photo, Health and Human Services Assistant Secretary for Preparedness and Response Dr. Robert Kadlec testifies before a Senate Education, Labor and Pensions Committee hearing on the coronavirus on Capitol Hill in Washington. (AP Photo / Andrew Harnik)

President Donald Trump has said at rallies, debates and press conferences that a vaccine could arrive within weeks. “We think we can start sometime in October,” Trump said at a White House press briefing last month.

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Centers for Disease Control and Prevention Director Dr. Robert Redfield holds up his mask as he speaks at a Senate Appropriations subcommittee hearing on a “Review of Coronavirus Response Efforts” on Capitol Hill, Wednesday, Sept. 16, 2020, in Washington. (AP Photo / Andrew Harnik, Pool)

In a report to Congress and an accompanying “playbook” for states and localities, federal health agencies sketched out complex plans for a vaccination campaign to begin gradually in January or even late this year.

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People wearing face masks walk along a street in downtown Chicago on Sept. 2, 2020. (WTTW News)

With the race for a vaccine underway and President Donald Trump claiming one could be available before the November election, Gov. J.B. Pritzker reiterated Wednesday that safety would guide the state’s reopening.

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This July 18, 2020, file photo, shows the AstraZeneca offices in Cambridge, England. (AP Photo / Alastair Grant, File)

The top U.S. infectious disease expert said AstraZeneca’s suspension of final testing of its COVID-19 vaccine candidate shows “one of the safety valves” built into the studies to spot any potential problems.

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(WTTW News via CNN)

What you need to know about the race for a coronavirus vaccine.

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In this July 27, 2020, file photo, nurse Kathe Olmstead, right, gives volunteer Melissa Harting, of Harpersville, N.Y., an injection as a study of a possible COVID-19 vaccine, developed by the National Institutes of Health and Moderna Inc., gets underway in Binghamton, N.Y. (AP Photo / Hans Pennink, File)

A letter from federal health officials instructing states to be ready to begin distributing a vaccine by Nov. 1 — two days before the election — has met, not with exhilaration, but with suspicion among some public health experts.

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In this Friday, June 12, 2020 file photo, a woman has blood drawn for COVID-19 antibody testing in Dearborn, Mich. (AP Photo / Paul Sancya)

Antibodies that people make to fight the new coronavirus last for at least four months after diagnosis and do not fade quickly, as some earlier reports suggested, scientists have found.

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(Angelo Esslinger / Pixabay)

A handful of Chicago residents became the first in the city to participate in a national clinical trial to test a potential COVID-19 vaccine as the University of Illinois at Chicago launched its study on Monday.

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In this Monday, July 27, 2020 file photo, a nurse prepares a shot as a study of a possible COVID-19 vaccine, developed by the National Institutes of Health and Moderna Inc., gets underway in Binghamton, N.Y. (AP Photo / Hans Pennink)

Who gets to be first in line for a COVID-19 vaccine? U.S. health authorities hope by late next month to have some draft guidance on how to ration initial doses, but it’s a vexing decision. 

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(Credit: Northwestern Medicine)

Northwestern Medicine is seeking 5,000 people who are at risk of exposure to the coronavirus and are interested in participating in vaccine studies to join its newly launched COVID Prevention Trials Registry.

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Nurse Carolyn Grausgruber gives volunteer Ithaca firefighter Wade Bardo, of Erin, N.Y., an injection as the world’s biggest study of a possible COVID-19 vaccine, developed by the National Institutes of Health and Moderna Inc., gets underway Monday, July 27, 2020, in Binghamton, N.Y. (AP Photo / Hans Pennink)

The biggest test yet of an experimental COVID-19 vaccine got underway Monday with the first of some 30,000 Americans rolling up their sleeves to receive shots created by the U.S. government as part of the all-out global race to stop the pandemic.

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In this March 16, 2020, file photo, a subject receives a shot in the first-stage safety study clinical trial of a potential vaccine by Moderna for COVID-19, the disease caused by the new coronavirus, at the Kaiser Permanente Washington Health Research Institute in Seattle. According to results released on Tuesday, July 14, 2020, early-stage testing showed the first COVID-19 vaccine tested in the U.S. revved up people’s immune systems the way scientists had hoped. The vaccine is made by the National Institut

Western governments on Thursday accused hackers believed to be part of Russian intelligence of trying to steal valuable private information about a coronavirus vaccine, calling out the Kremlin in an unusually detailed public warning to scientists and medical companies.

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In this March 16, 2020, file photo, a subject receives a shot in the first-stage safety study clinical trial of a potential vaccine by Moderna for COVID-19, the disease caused by the new coronavirus, at the Kaiser Permanente Washington Health Research Institute in Seattle. According to results released on Tuesday, July 14, 2020, early-stage testing showed the first COVID-19 vaccine tested in the U.S. revved up people’s immune systems the way scientists had hoped. The vaccine is made by the National Institut

The first COVID-19 vaccine tested in the U.S. revved up people’s immune systems just the way scientists had hoped, researchers reported Tuesday -- as the shots are poised to begin key final testing.

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“I have done a phenomenal job with it,” President Donald Trump says of his response to COVID-19 at a campaign rally in Tulsa, Oklahoma, on Saturday, June 20, 2020. (WTTW News via CNN)

He is optimistic about the development of vaccines and treatments to slow the spread of COVID-19 but describes the national response to the virus as a “disgrace.” We speak with Dr. Robert Murphy of Northwestern University.

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