A unique reported symptom of the<unk>  variant is night sweats. Also, loss of taste and smell seem to be uncommon compared to other strains. A study performed between 1 and 7 December by the Center for Disease Control found that: "The most commonly reported symptoms were cough, fatigue, and congestion or runny nose" making it difficult to distinguish from a less damaging variant or other virus. Research published in London on 25 December 2021 suggested the most frequent symptoms stated by users of the Zoe Covid app were "a running nose, headaches, fatigue, sneezing and sore throats."
SARS-CoV-2 Omicron variant
SARS-CoV-2 Delta variant
SARS-CoV-2 Epsilon variant
SARS-CoV-2 Alpha variant
SARS-CoV-2 Gamma variant
SARS-CoV-2 Eta variant
SARS-CoV-2 Lambda variant
SARS-CoV-2 Mu variant