Latest from Carolyn Y. Johnson
The confident depiction by politicians and companies that a vaccine is imminent and inevitable may give people unrealistic beliefs about how soon the world can return to normal — and even spark resistance to simple strategies that can tamp down transmission.
  • Aug 2, 2020
The contract is the largest yet from the U.S. government.
  • Jul 31, 2020
Blood plasma from people who have successfully recovered from coronavirus infection has been widely used in the United States, even though researchers are still gathering evidence to definitively show it works.
  • Jul 30, 2020
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Phase three trials of coronavirus vaccines are underway, as long as scientists can find 30,000 volunteers. How white moms on the front line of Portland protests are trying to balance power with privilege. Plus, a seismic quiet on Earth.
  • Jul 28, 2020
The first participants received shots in a 30,000-person trial of an experimental vaccine being developed by biotech company Moderna in partnership with the U.S. government.
  • Jul 27, 2020
The unprecedented scientific quest to end the pandemic with a vaccine faces one of its most crucial tests, and nothing less than the success of the entire endeavor is at stake. A vaccine must work for everyone — young and old; black, brown and white.
  • Jul 26, 2020
They disagree over whether the evidence is convincing and what the implications might be for vaccines.
  • Jul 23, 2020
The $1.95 billion contract is the largest yet under the Trump administration’s Operation Warp Speed program.
  • Jul 22, 2020
More than 1,000 deaths were reported Tuesday, the first time the country has topped that mark in nearly 50 days.
  • Jul 21, 2020
The United States and Britain have already ordered millions of doses.
  • Jul 20, 2020