Omicron infection: What are the symptoms?
As infections of the Omicron variant of SARS-CoV-2 (the virus that causes COVID-19) continue to spread around the world, there are reports that symptoms differ in some respects from Delta variant infections. Are the symptoms really different? What should you pay attention to?
All data and statistics are based on publicly available data at the time of publication. Some information may not be up to date. Visit our coronavirus hub and follow our live updates page for the latest information on the COVID-19 pandemic.
On November 26, 2021, the World Health Organization (WHO) noted a new variant of SARS -CoV-2 known as OmicronTrusted Source.
The variant has caused concern among health officials because it seems so. highly contagiousTrusted Source and more likely to be reinfected.
There is also some concern that Omicron may bypass the protection provided by its COVID-19 vaccines. Pfizer claims that three doses of the mRNA vaccine were able to neutralize Omicron in laboratory experiments, and that two doses could prevent serious illness after infection with this variant.