![More contagious than Delta: Omicron is first coronavirus variant that is able to crush immunity from earlier Covid infection, researchers in South Africa find](https://cdn.newsserve.net/ONPglobe256.png)
More contagious than Delta: Omicron is first coronavirus variant that is able to crush immunity from earlier Covid infection, researchers in South Africa find
A new study in South Africa suggests this morning that the new Omicron variant has “substantial” ability to re-infect people who previously had Covid-19 simply because it is able to evade immunity systems in people’s bodies. The study estimated that the risk of reinfection for November 1 to 27, when Omicron started circulating, was 2.39 [...]
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