Omicron: Will tougher measures stop the spread of Omicron? : An update by BBC

The variant Omicron Cases are rising rapidly and the number of cases are doubling every two to three days. The UK is being warned to be braced for a surge in cases with health officials warning it is "probably the most significant threat since the start of the pandemic".

The public are being encouraged to limit their social contacts. There is still uncertainty about this. But it is logical. Not because the virus has changed to become less severe, but because reinfections and infections post-vaccination are likely to be milder.

Research carried out by the London School of Hygiene and Tropical Medicine (LSHTM) looked at the size of the populations considered at risk from Covid across Europe going into winter. It found England - although the same could be said for the rest of the UK too - had the smallest pool of vulnerable people because of the high rates of immunity built up in the populations.

Source : BBC