Intro

In the U.S., emergency-use authorization has been granted for convalescent plasma, the efficacy of which is yet to be robustly tested. For some, this echoes the situation with hydroxychloroquine and the government’s subsequent U-turn on its rollout.

Meanwhile, America’s infection rate appears to be flattening out — but at tens of thousands of cases per day. This stands in stark contrast to China, where daily cases are under 40.

Overseas, a Hong Kong resident has been reinfected with the virus, the first recorded instance of a second bout. And Russia and China have begun distributing vaccines, sidestepping Phase 3 safety trials to the incredulity of immunologists and vaccine executives.

We check back in with Donald G. McNeil Jr. on the coronavirus and the impact of these developments.

Guest: Donald G. McNeil Jr., a science and health reporter for The New York Times

For more information on today’s episode, visit nytimes.com/thedaily

Background reading:

• A 33-year-old man in Hong Kong was infected with the coronavirus for a second time. It is unclear how often people might become reinfected, and how soon after the first bout.
• Despite flattening, America’s infection rate remains one of the highest in the world.
• The F.D.A. has permitted the expansion of convalescent plasma treatment after pressure from President Trump.
• Russia has approved a coronavirus vaccine and is set to begin mass vaccinations in the fall. China has reportedly been giving experimental vaccines to high-risk groups since July.

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