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Omicron spreads more in respiratory airways than lungs, finds study - The study also found that Omicron infects 70 times faster than earlier COVID-19 variants but concluded that it may cause less severe illness.
DNA Explainer: How effective are COVID-19 vaccines against Omicron? - The researchers saw a roughly 30-fold drop in neutralising antibodies against Omicron after two doses of Pfizer vaccine compared with Delta strain.
The findings, published in the journal Emerging Microbes & Infection, also suggest that although a third-dose of vaccines can “significantly boost immunity', the protection from Omicron 'may be compromised'.
Omicron four times more transmissible than Delta variant, says new study - A new study from Japan suggests that the Omicron variant of COVID-19 is four times more transmissible than the Delta variant of the virus.