Covid-19 believe they have developed a new drug that can provide “instant immunity” from coronavirus.For people who have already been exposed to the virus, a vaccine would not be effective but the experts from the University College Hospitals NHS Trust (UCLH) in London say their revolutionary antibody treatment, dubbed “Storm Chaser,” could be a life-saver for people in the early stages of infection.Dr Catherine Houlihan, one of the virologists working on Storm Chaser, said: “If we can prove that this treatment works and prevent people who are exposed to the virus going on to develop Covid-19, it would be an exciting addition to the arsenal of weapons being developed to fight this dreadful virus.”10 volunteers have already been injected.