Carlson's comments came after Facebook slapped a warning label on video of his Tuesday interview with Chinese virologist Dr. Li-Meng Yan, who claimed to have evidence showing China "intentionally" released COVID-19 onto the general population.

"Within a few hours of her interview last night," Carlson said, "a video of the segment reached 1.3 million people on Facebook."

"And why wouldn't it? The coronavirus pandemic has touched the life of every American. And justifiably, people want to know where it came from. But Facebook still doesn't want you to know that.

 So Facebook suppressed the video, presumably on behalf of the Chinese government. Facebook executives made it harder for users to watch our segment. Those who found the video had to navigate a warning that the interview 'repeats information about COVID-19 that independent fact-checkers say is false," he added.

"Instagram, which Facebook also owns did the same thing. Twitter suspended Dr. Yan's account entirely. It did not explain why..."