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"There isn't much in this virus sequence suggesting it should be very mild," he said.
Even if Omicron caused milder symptoms on average, the total toll of hospitalisations and deaths would be greater if it is much more infectious and better at escaping human immune protection.
https://www.straitstimes.com/world/what-we-know-about-omicron-the-covid-19-variant-that-has-sparked-global-alarm
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