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Johanna Grant provides updates on key news stories. First Lady Melania Trump is recovering from COVID-19 and will not join President Trump's campaign rally due to a lingering cough. The Commission on Presidential Debates has announced new rules for the final debate, muting microphones while the opponent answers. In the UK, researchers are conducting a Human Challenge study to speed up COVID-19 vaccine development. The video concludes with a reminder to watch the final presidential debate on Newsy.

Why do some researchers consider the Human Challenge study to be unethical?

What time is the final presidential debate scheduled to be streamed?