30 million of people were 1. killed by the global flu epidemic of 1918. In recent years , people were 2.shocked by the arrival of new infections disease. These 3. were called superbugs. Many superbugs 4. lived harmlessly on or in the body and only 5. caused problems when people becom sick with other illnesses. These bugs are particulary dangerous to people who 6. are weaken by surgery, childbirth or old age. The bugs also 7. cause problems for babies. Scientists say vaccines capable of beating deadly superbugs like MRSA 8.will be find within ten years. However some people think that with the rise of genetic engineering, the world 9. will be wiped out by a GM superbug.