A team of researchers found that oral administration of Hepatitis B vaccine protects children against dangerous viruses and have also delivered a `recipe` called virologists to improve the vaccine drops. The study was published in Scientific Reports. Millions of people are infected with hepatitis B every year and particularly small children are at risk. Due to the high cost and the stable environmental conditions required for vaccine storage many people in developing countries are not vaccinated against this dangerous virus. Getting rid of needles being poked into the arms of little children is an advantage in itself. It also eliminates