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Rabbi Shmuel Herzfeld has his arm disinfected by Dr. Chao Wang during a Moderna clinical trial for a coronavirus vaccine at Meridian Clinical Research in Rockville, Maryland on July 27, 2020. Amanda Andrade-Rhoades for The Washington Post via Getty Images

The secretive blueprints for two of the leading vaccine candidates for the coronavirus were released Thursday. Pfizer and Moderna became the first two companies among the nine leading vaccine candidates to share their study designs, hoping that the disclosures will create trust and clarity for the public, as The New York Times reported.

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Dr. Robert Redfield, director of the CDC and Trump participate in the daily briefing of the coronavirus task force at the White House on April 22, 2020 in Washington, DC. Drew Angerer / Getty Images

Dr. Robert Redfield, the director of the Centers for Disease Control and Prevention (CDC), testified before the Senate health panel Wednesday and discussed a realistic timeline for a vaccine. While he said an initial vaccine for the novel coronavirus may be ready by November or December, the first batch will have an extremely limited supply that will go to the most vulnerable populations, as The Washington Post reported.

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Dr. Anthony Fauci says that it may not be safe to attend movie theaters or indoor events until a year after the U.S. has a safe, effective vaccine. Pxfuel

By Jessica Corbett

As the number of confirmed Covid-19 cases in the United States surpassed 6.43 million and the nation's death toll topped 192,600, the federal government's top infectious disease expert warned Friday that life likely won't return to normal until sometime—perhaps late—in 2021.

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The offices of British-Swedish multinational pharmaceutical and biopharmaceutical company AstraZeneca PLC in Macclesfield, Cheshire on July 21, 2020. PAUL ELLIS / AFP via Getty Images
One of the leading candidates for a COVID-19 vaccine has been stopped after a study participant had a serious adverse reaction that is suspected to have been caused by the vaccine, as STAT News reported. The vaccine from the pharmaceutical giant AstraZeneca and the University of Oxford was in the late stages of a phase 3 trial, meaning it was being tested for safety at several sites around the country and in Europe.
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Trump takes questions after delivering remarks during a news conference at the North Portico at the White House on Sept. 7, 2020 in Washington, DC. Tasos Katopodis / Getty Images

By Jake Johnson

After President Donald Trump on Monday suggested a COVID-19 vaccine could be fully developed and put to market "before a very special day" — apparently referring to the Nov. 3 presidential election — Sen. Bernie Sanders warned that Trump's ongoing politicization of the vaccine process threatens to undermine public trust and safety.

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Director of the Centers for Disease Control Robert Redfield arrives for Trump's speech on vaccine development on May 15, 2020 in the Rose Garden of the White House in Washington, DC. MANDEL NGAN / AFP via Getty Images

The appearance that the Centers for Disease Control and Prevention (CDC) is taking orders from political leaders grew stronger this week as the organization told states to prepare facilities for a coronavirus vaccine before November's general election. The issue raised alarm for health experts who worry that a vaccine will be rolled out before its safety and efficacy are well established, according to The New York Times.

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Trump speaks during a news conference in the James Brady Press Briefing Room of the White House on Aug. 4, 2020 in Washington, DC. Drew Angerer / Getty Images

The U.S. has decided to stick to its isolationist strategy for developing, producing and distributing a vaccine for the novel coronavirus. On Tuesday, the Trump administration announced that it will not take part in the international efforts led by the World Health Organization (WHO) to distribute a vaccine equally around the world, according to The Washington Post.

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Women walk past a free flu shot advertisement outside of a drugstore on August 19, 2020 in New York City. Bryan R. Smith / AFP / Getty Images

By Libby Richards

With the coronavirus still spreading widely, it's time to start thinking seriously about influenza, which typically spreads in fall and winter. A major flu outbreak would not only overwhelm hospitals this fall and winter, but also likely overwhelm a person who might contract both at once.

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President Vladimir Putin is seen enjoying the Opening Ceremony of the Sochi 2014 Winter Olympics in Sochi, Russia. Pascal Le Segretain / Getty Images

Russia's Health Ministry has given regulatory approval for the world's first COVID-19 vaccine after less than two months of human testing, President Vladimir Putin said on Tuesday.

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German biotechnology company Biontech and U.S. drug giant Pfizer will begin the late-stage global study using up to 30,000 participants. Cravetiger / Getty Images

German biotechnology company Biontech and U.S. drugs giant Pfizer announced on Tuesday that they would start Phase 2 and 3 clinical trials of their BNT162b2 vaccine after getting the go-ahead from regulators.

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One coronavirus study considered promising is a joint effort from the University of Oxford iand the British-Swedish pharmaceutical giant AstraZeneca. University of Oxford / YouTube

The science community delivered good news to the world Monday as results from three different coronavirus vaccine trials all reported positive results, with all of them showing evidence that the vaccines are safe and can produce long-lasting immune responses that would protect against infection, as CNN reported.

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The results from Moderna's Phase 1 coronavirus vaccine show it is safe and effective so far. Jakub Porzycki / NurPhoto via Getty Images

Results from the Phase 1 trial of Cambridge, Massachusetts biotech firm Moderna's coronavirus vaccine show it is safe and produces an immune response.

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Trump sits during a meeting about safely reopening schools during the coronavirus pandemic on July 7, 2020, in Washington, DC. JIM WATSON / AFP via Getty Images

The Trump administration began the formal process of withdrawing from the World Health Organization (WHO), a White House official said Tuesday, even as coronavirus cases continue to surge in the country.

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