Three scientists who discovered the virus Hepatitis C have won the 2020 Nobel Prize in Medicine or Physiology.
The winners are British scientist Michael Houghton and US researchers Harvey Alter and Charles Rice.
Hepatitis C is often a silent infection, which infects 70 million people a year and kills around 400,000.
The virus is a common cause of liver cancer and major reason why people need a liver transplant.
The Nobel prize committee described their work as a “landmark achievement” and said the trio had made a “decisive contribution to the fight against blood-borne hepatitis”.