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A state prison in Marion, Ohio, is now the United States' largest known source of COVID-19 infections, according to a New York Times database.

Why it matters: With poor sanitary conditions and close quarters for inmates, U.S. prison and detention systems are dangerously susceptible to the coronavirus. Prisons around the country have become vectors for infection, prompting authorities to either release inmates or take other steps to mitigate the spread of the virus.

The big picture: 1,937 people, or nearly three-quarters of the prison's population, have been infected at the Marion Correctional Institute. 1 in 5 confirmed COVID-19 cases in Ohio can now be traced back to the state's prison system, according to the Times.

Go deeper: Coronavirus behind bars

Go deeper

Updated 7 hours ago - Politics & Policy

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Illustration: Aïda Amer/Axios

  1. State of play: New coronavirus cases down, but more bad news ahead.
  2. Politics: Biden set to immediately ramp up federal pandemic response with 10 executive actions — Scoop: Joe Biden's COVID-19 bubble.
  3. World: Biden will order U.S. to rejoin World Health OrganizationBiden to bring U.S. into global COVAX initiative for equitable vaccine access.
  4. Vaccine: Amazon offers to help Biden administration with COVID vaccine efforts.
Jul 29, 2020 - Health

Moderna vaccine protects against coronavirus in monkeys

Scientist Xinhua Yan works in the lab at Moderna in Cambridge, Mass. Photo: David L. Ryan/The Boston Globe via Getty Images

Moderna's experimental COVID-19 vaccine has induced a "robust" immune response and protection from the virus in the noses and lungs of monkeys, according to a study published in the New England Journal of Medicine Tuesday.

Why it matters: The National Institutes for Health, which co-developed the vaccine, noted in a statement Tuesday, "This is the first time an experimental COVID-19 vaccine tested in nonhuman primates has been shown to produce such rapid viral control in the upper airway."

DNC releases coronavirus protocols for August convention

Joe Biden on July 21 in New Castle, Delaware. Photo: Brendan Smialowski/AFP via Getty Images

The Democratic National Committee announced Monday that attendees for its August convention in Milwaukee must agree to daily coronavirus testing and protective self-isolation measures.

The big picture: The DNC is planning a pared-down convention with a smaller venue and remote business for most state delegations, who are advised not to travel to Milwaukee. The Republican National Convention, meanwhile, was forced to cancel its main Jacksonville programming due to coronavirus and security risks.

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