From a story on cnn.com by Betsy Klein headlined “Commander Biden bites another Secret Service agent, the 11th known incident”:

President Joe Biden’s younger dog, Commander, bit another US Secret Service agent at the White House, CNN has learned, the 11th known biting incident involving the 2-year-old German Shepherd.

“Yesterday around 8 p.m., a Secret Service Uniformed Division police officer came in contact with a First Family pet and was bitten. The officer was treated by medical personnel on complex,” USSS chief of communications Anthony Guglielmi said.

The injured officer spoke with Secret Service Director Kimberly Cheatle on Tuesday and is doing OK, Guglielmi said.