Camilo's note: the "citizen" Atlas 1:54
(CNN) -
Dr. Scott Atlas, a highly controversial member of the White House coronavirus task force, has resigned from the Trump administration, according to a person who works with this team.
A source familiar with the incident told CNN that Atlas delivered his resignation letter to President Donald Trump on Monday.
As a special government employee, Atlas had a 130-day window in which he could serve and that window was technically going to close this week.
The White House did not immediately respond to a request for comment.
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Another source close to the task force told CNN on Monday that Atlas's departure is good news, as his discredited theories will no longer be part of the discussions.
The controversial positions defended by Dr. Scott Atlas
Atlas's months in the White House were marked by controversy.
Atlas became a close adviser to Trump on matters related to the pandemic and took public positions on the virus much closer to those of the president.
This included debunking as "hysteria" the idea that schools could not reopen in the fall and pushing for the resumption of college sports.
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In an extraordinary episode in October, Twitter deleted a tweet from Scott Atlas that sought to undermine the importance of masks because it violated the platform's policy on misleading covid-19 information, according to a company spokesperson.
Scott Atlas was not on a call Vice President Mike Pence had with state leaders Monday, according to a list of participants.
During the call, Pence and members of the task force focused on the safety and distribution of vaccines as COVID-19 cases skyrocket across the country, according to his office.
CNN's Jeremy Diamond and Paul LeBlanc contributed to this report.