Plus if it is true and the virus is mutating then they have to follow the lifecycle of the new virus. Science is all about ongoing answers there are very few full stops as there is always variables.Not really, they have sucessfully mapped the gene makeup and are learning more about the virus in order to produce the vaccine. Naturally as you find out more, you will have some further questions but it's early days.
Also you may have heard it on the radio but as the uk government or nhs havent uttered a word about it i wont take you hearing it on the radio or an article in the mail as gospel for now...