The document provides a short overview of the Omicron COVID variant. It notes that Omicron was first identified in South Africa in November 2021 and that the first US case was identified on December 1st. Common symptoms include fever, cough and tiredness while serious symptoms include difficulty breathing. It is believed to be more transmissible than previous variants. PCR tests can still detect the variant and studies are ongoing on rapid tests. Current treatments are expected to be effective and vaccination provides protection against severe illness. WHO recommends measures like distancing, masks, ventilation and hand hygiene to stop spread.