WATCH: Bill Gates Says Donald Trump Didn’t Know the Difference Between HIV & HPV

Donald Trump Chris Hayes

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MSNBC’s Chris Hayes showed a video on his show on May 17 featuring Bill Gates talking about Donald Trump’s confusion. Gates told a crowd that Trump asked him on several occasions if HPV and HIV were the same things. Gates, who is legitimately a billionaire, was speaking at a recent meeting for the Bill and Melinda Gates Foundation. Gates went on to talk about Trump referring to himself in the third person and a dramatic entrance that Trump made in a helicopter at a meeting the pair had.

Gates is shown in the clip to say, “He wanted to know if there was a difference between HIV and HPV.So I was able to explain that those are rarely confused with each other.” At that point, the audience bursts into laughter.

You can see the entire segment here:

Hayes teased the release of the video on Twitter in the hours before it aired:

To be clear, there is a huge difference between HPV and HIV. HPV is the most common sexually transmitted infection in the United States. It is usually harmless and goes away on its own. In rare cases, HPV can lead to genital warts and cancer.

HIV stands for Human Immunodeficiency Virus, it’s the disease that causes AIDS. According to Planned Parenthood, “It’s a virus that breaks down certain cells in your immune system (your body’s defense against diseases that helps you stay healthy). When HIV damages your immune system, it’s easier to get really sick and even die from infections that your body could normally fight off.”

This video comes a year after six members of Trump’s HIV/AIDS committee resigned amid claims that the president didn’t care about the disease.

The Daily Beast reported in 2015, that after his divorce from Ivana Trump, Trump would only date women who would submit to an AIDS test.