Are u retarded or what? Vaccines like software have source code which has been published online and explained. Have you heard about reverse engineering? It's like you have an antivirus software on ur pc and you can reverse engineer it to get the source code and make sure it's not going to format your hard drive
Downloading a bigger virus does not fix a virus problem. In 3 hours a bat soup toxin is ready
It is colossally stupid to get some toxin injected for something which does not exist.