Potato Vaccine for Hepatitis B: Syringes off the Menu?

Scientists have shown that, for hepetitis B vaccine, genetically modified potatoes may be an alternative to the syringe and needle.

The hepatitis B virus (HBV) causes liver failure and liver cancer. Despite the availability of a safe, injectable vaccine, the virus currently infects an estimated 350 million people worldwide and kills about a million people every year.