"misinformation"

As Trump prepared to leave the White House for the first time since returning on October 5 after three nights at Walter Reed Medical Center, he fired off a series of tweets.

The ambition is to use the findings of the research to develop a state-of-the-art early warning system for widespread misinformation campaigns that will slow or stop its spread.

Health experts have complained that the messaging from the administration -- and particularly Trump's medical team -- has caused widespread confusion.

Facebook has come down heavily on the leading content streaming platform, saying it has buried the substance in sensationalism.