Last year, at the beginning of the COVID-19 pandemic, Mulan actor Tzi Ma was walking towards a Whole Foods in Pasadena, Calif., when a car slowed down in front of him.

“I said, ‘Oh, how courteous, a young man, slowing down for me to cross,'” Ma, who was born in Hong Kong, tells PEOPLE. “That was not the case. He rode up and stopped in front of me, rolled down his window and looked me straight in the eye and said, ‘You should be quarantined,’ and took off.”

The encounter, Ma said, left him “numb and kind of a little bit dazed.”

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