“Farming, one of the world’s oldest practices has suddenly found itself entangled with modern medicine. Imagine this: at your child’s appointment for a routine vaccination, the doctor proffers a banana genetically engineered to contain the vaccine and says, “Have her eat this and call me in the morning.” Though still farfetched, the scenario is getting closer to reality, with the first batch of plant-made medicines–created by genetically modifying crops such as corn, soy, canola and even fruits such as tomatoes and bananas to produce disease-fighting drugs and vaccines–now in early clinical testing.”
More here in Scientic American.