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Fox News' Chief White House correspondent sparked a firestorm of controversy when he was caught on a hot mic discussing the coronavirus with a photographer who joked that all White House reporters were vaccinated against Covid-19.

The Covid-19 vaccine is a controversial subject since the vaccine is being developed by eugenist billionaire Bill Gates.

The incident happened on Tuesday, April 21, when Roberts and New York Times photographer Doug Mills were caught on a hot microphone prior to the start of Tuesday's White House coronavirus press briefing.

Roberts reassured Mills that the COVID-19 death toll may be lower than previously estimated.

"You can take off the mask," Roberts told Mills. "The case fatality rate is like 0.1 to 0.3, according to USC," Roberts said, referring to a case study in California that showed the infection rate was much higher than previous estimates.

Mills responded, "Is it really?" He then asked Roberts if the coronavirus was a hoax. Roberts replied that he didn't believe it was a hoax.

"That's reassuring," said Mills, who added, "Everybody here's been vaccinated anyway."

The hot mic audio spread like wildfire on social media, as angry citizens accused the media and the elites of hoarding the Covid-19 vaccines for themselves. The backlash forced Roberts to deny there was any vaccine.

"There is NO vaccine. And it is NOT a hoax," he tweeted on Wednesday.