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Even taking into account people who have had COVID but didn’t know it, there’s still likely to be a group of people who have never been infected.
Control measures may be easing in England, but don’t expect the world to return to how it was in January 2020. Cases may be declining, but they are still incredibly high. Already, it’s estimated a million children were off school because of COVID last week.
Why breakthrough infections in people who have had three jabs shouldn’t alarm you. And why vaccination and protective measures, such as more face mask use, greater testing, and better ventilation, all have an important part to play.
According to Chris Hopson, CEO of NHS Providers, if the current trajectory in COVID staff absences is maintained, pressure will grow significantly and even relatively small numbers of extra COVID cases will bring big difficulties to the NHS.
The fact omicron can overcome the wall of protection built up in deprived areas through high levels of prior infection means there is a risk inequalities are going to be repeated in the coming weeks and months.
All suggest that the observed reduction in severity is very likely due to the fact that a much larger proportion of omicron cases are people with prior infection.
The latest REACT-1 study shows what many experts and health professionals feared would happen in the UK without mitigations: a higher number of infections in households with children is driving the rise of infection in the 65+ age group. Analysis of the REACT-1 study results by Dr Deepti Gurdasani.