A virus may be able to stop an aggressive form of breast cancer.
Doctors at Stanford added a tumor fighting protein to a harmless virus and gave it to mice with triple negative breast cancer.
They found the virus was able to infect cancer cells and deliver the protein - killing tumors.
About 20 percent of breast cancer cases in the US are triple negative. Researchers are now planning tests on people.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or firstname.lastname@example.org.