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Viral image
stated on April 25, 2021 in a Facebook post:

Says Joe Biden was the only world leader to wear a face mask during a video conference.

False

No, Biden wasn’t the only world leader to wear a mask during the virtual climate summit

If your time is short

  • Joe Biden did at times wear a mask during the virtual climate summit because he was in a room in Washington with other people. Other world leaders also wore masks some of the time. 
     
  • Biden was also photographed speaking without his mask.
     
 
See the sources for this fact-check

Forty world leaders recently gathered in a video conference for a virtual climate summit hosted by the White House. But misleading claims about the meeting have since spread on social media. 

“Biden wore a mask on a video call with world leaders,” reads the text in a screenshot of one tweet showing a Zoom grid of world leaders, including President Joe Biden. “Meanwhile, no one else wore a mask.” 

“Embarrassing,” wrote one Facebook account sharing the tweet. “How can anyone possibly spread anything via *video?*”

This post was flagged as part of Facebook’s efforts to combat false news and misinformation on its News Feed. (Read more about our partnership with Facebook.)

Though Biden appears to be the only person wearing a mask in the image that’s being shared on social media, the photo shows only about a quarter of the world leaders in attendance. 

Other photos from the summit show both Biden not wearing a mask and other officials donning them

And contrary to the suggestion that Biden was wearing a mask alone in a room, photos from the State Department show he was joined at different points by Secretary of State Antony Blinken, Special Presidential Envoy for Climate John Kerry, Treasury Secretary Janet Yellen, National Economic Council Director, Brian Deese, and aides.  

We rate this post False.

 

No, Biden wasn’t the only world leader to wear a mask during the virtual climate summit

Robert F. Kennedy Jr.
stated on January 7, 2026 a press briefing

stated on January 14, 2026 a statement

Social Media
stated on February 14, 2026 social media posts



stated on January 20, 2026 an op-ed


Donald Trump
stated on February 3, 2026 remarks in the Oval Office


Social Media
stated on February 8, 2026 social media posts





Robert F. Kennedy Jr.
stated on stated on November 17, 2025 in remarks at George Washington University:

Donald Trump
stated on February 2, 2026 an interview with Dan Bongino