You're reading: New York Times: As Trump praises plasma, researchers struggle to finish critical studies

An American Airlines flight took off from La Guardia Airport in New York last Wednesday morning, carrying 100 pouches of blood plasma donated by Covid-19 survivors for delivery to Rio de Janeiro. American scientists are hoping Covid-19 patients in Brazil will help them answer a century-old question: Can this golden serum, loaded with antibodies against a pathogen, actually heal the sick?

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