Booster at least 80% effective against severe Omicron
Preliminary estimates by researchers suggest the top-up shot should help keep many people out of hospital. …
Dr Clive Dix, former chair of the UK Vaccine Taskforce, said: “There is a huge amount of uncertainty in these modelled estimates and we can only be confident about the impact of boosters against Omicron when we have another month of real-world data on hospitalisation, ICU [intensive care] numbers and deaths.