Is there any good news at all on Omicron? Yes, there are small signs of hope

Analysis: scientists are only starting to understand new Covid mutation but there is encouraging news from the laboratory, South Africa and on antiviral drugs

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It's hard to find much good news among the waves of grim statistics that have washed over the nation since the emergence of Omicron.

Once again, the NHS is threatened and again, the prospect of a new year lockdown looms. We seem to have gained nothing in the battle against Covid-19 during the past 12 months.