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What causes a virus to change to a new variant? What is the impact on Covid-19 vaccines? How can we prevent new variants? Why getting vaccinated matters? Learn more with WHO。Advice for the public。Your questions answered。

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2021年11月28日All variants of COVID-19, including the Delta variant that is dominant worldwide, can cause severe disease or death, in particular for the most ...
2022年1月4日More evidence is emerging that the Omicron coronavirus variant is ... some 'decoupling' of COVID-19 cases and deaths; Raising global vaccine ...
2022年1月2日Omicron is driving COVID-19 case numbers to new highs with worldwide infections hitting a record million cases per day last week.
2022年1月10日A new wave of COVID-19 infections is sweeping the globe, caused by the new Omicron variant. ... Omicron spreads quickly.
LocationPercent fully vaccinatedTotal dos...
World529,886,53...
China852,968,12...
India491,622,21...
4 日前The Omicron variant has spread worldwide rapidly and is now the major ... than previous variants of the COVID-19 virus, including Delta.
2022年1月12日A record 15 million new Covid-19 infections were reported across the ... that the data may not fully show how far omicron has spread due to ...
See which countries have reported cases of the Omicron variant. ... Some spread around the world, while others quickly faded away or were supplanted by ...

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