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.
Donald G. McNeil Jr. contributed reporting.
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