Vaccine entha thondaga vasthe antha ekkuva mandhi potharu, ledha side effects untayi. No medical authority of any country or WHO will approve any vaccine in such a short span. Average span for research, develop, test and get approval is 6 years on an average world wide. Even if its expedited by engaging a huge number of  experts, spend trillions of $, then also its not so easy. The least time is 18 months is what any reliable experts says who thinks good about mankind. Vaccine is not l