Vaccination

Brazil allows trials of Chinese vaccine to resume

Brazil's national health regulator allowed clinical trials of a Chinese-developed COVID-19 vaccine to resume Wednesday, two days after suspending them in what critics called a decision tainted by politics.

Vaccination

US floats idea of early approval for eventual vaccine

The head of the US Food and Drug Administration raised the possibility in an interview published Sunday that a future vaccine against the coronavirus might be given emergency approval before the end of trials designed to ...

Surgery

Study uses AI to sort patient messages by complexity

Taking an interest in electronic message threads between surgical patients and their health care teams, a research group at Vanderbilt University Medical Center has tested how well certain commonly used machine learning algorithms ...

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