A friend of Dr. Peter Sakas said he died Monday after spending less than a week in a hospital.
"Just devastating. Devastating for us, I'm sure for his family, and for the veterinarian community, for the rescue community, it is such a huge, huge loss," said John Garrido, friend of Dr. Sakas. "He was just so gifted."
Dr. Sakas' son said in a social media post that his father took great pride in being a voice for patients who could not speak.