This is a place for collecting links to questions about coronavirus variant Omicron and for news and discussion about broader Omicron developments and trends.

Omicron Questions

• Will the Omicron variant be more lethal than Delta?
• Will the U.S. CDC classify Omicron as a variant of high consequence (VOHC) before 2023?
• [Short-fuse] What will the % per-day growth rate advantage of Omicron relative to Delta be based on information available as of 23 December?
• When will Omicron become the predominant SARS-CoV-2 variant in the U.S.?
• What will be the R0 of the Omicron variant according to the mean estimate of the first relevant systematic review?
• Will the US, UK, or EU authorize an Omicron-specific booster before 2023?
• If implementation of measures more severe than those in “Plan B” are announced in the UK before 1 February 2022, will this be due to the spread of the Omicron variant?
• When will 100M doses of Moderna's Omicron-specific booster candidate or multi-valent booster candidates be distributed?
• Will the Omicron variant be less lethal than Delta?
• [Short-fuse] Before 16 December 2021, will the U.S. issue a Presidential Proclamation restricting travel from the European Schengen Area?
• Will Omicron be the most dominant sequenced strain of SARS-CoV-2 on Dec 31, 2022?
• What will be the vaccine effectiveness of 3 doses of Pfizer against hospitalization caused by Omicron according to the median of the first 3 published peer-reviewed studies?
• What will be the vaccine effectiveness of 2 doses of Pfizer against hospitalization caused by Omicron according to the median of the first 3 published peer-reviewed studies?
• What will be the vaccine effectiveness of 3 doses of AstraZeneca against hospitalization caused by Omicron according to the median of the first 3 published peer-reviewed studies?
• What will be the vaccine effectiveness of 2 doses of AstraZeneca against hospitalization caused by Omicron according to the median of the first 3 published peer-reviewed studies?
• What will be the USA’s peak 7-day moving average of COVID hospital admissions for the winter of 2021-2022?
• When will be the USA’s peak 7-day moving average of COVID hospital admissions for the winter of 2021-2022?
• What will be the UK’s peak 7-day moving average of COVID hospital admissions for the winter of 2021-2022?
• When will be the UK’s peak 7-day moving average of COVID hospital admissions for the winter of 2021-2022?