Cynthia Choi, co-executive director of Chinese for Affirmative Action, is part of a coalition that has started tracking attacks against Asian Americans related to the coronavirus epidemic. They launched their tracker on Thursday and within 24 hours had more than 40 reports.

“I talked to a woman several days ago who was accused of bringing the coronavirus to this country and was spat on by a stranger on the street,” in San Francisco, Choi said.