Omicron appears more resistant to vaccines but causing less severe illness in South Africa, major real-world study finds

The omicron Covid-19 variant appeared to cause less severe illness in South Africa but was more resistant to the Pfizer vaccine, according to the first major real-world study

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The omicron Covid-19 variant appeared to cause less severe illness in South Africa but was more resistant to the Pfizer vaccine, according to the first major real-world study
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