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Simone McCarthy
Simone McCarthy
Hong Kong
@simonelmc
Reporter, China
Simone McCarthy joined the Post in 2018. She previously wrote about China tech, business and society for SupChina and has a bachelor's in literature from Yale University and a master's from Columbia Journalism School.

As coronavirus variant’s rapid spread forces rethink of Covid-19 vaccine strategies, real-world data can help show jabs’ effectiveness against it.

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People previously infected by Omicron variant developed more immunity to Delta, potentially reducing its ability to reinfect, South African research finds.

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The path back to global stability is through vaccinations and limiting spread of the virus but it all depends on how well immunity and societies hold up.

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About 94 per cent of people with a third dose had detectable levels of antibodies, Sinovac says, after HKU study finds none in 25 people on two-dose regimen.

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After reviewing data on how well vaccines are working over time, experts say priority should be distributing shots to countries that haven’t had access to primary doses.

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Highly mutated variant much better at evading Cominarty mRNA vaccine than previous coronavirus strains, but boosters likely to help, findings indicate.

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World Health Organization praises South Africa and Botswana for reporting the new Covid-19 variant, decries travel restrictions imposed against African nations.

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Early analysis on the new variant suggests it carries a higher risk of reinfection than other strains, but the scientists say urgent questions remain.

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America should take steps to improve ties with China in health security, according to report from the Centre for Strategic and International Studies, a Washington think tank.

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Testing data in South Africa suggests heavily mutated variant could outpace fast-spreading Delta, but disease experts are united on the need for more data.

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European leaders have been pushing for a global agreement to help guard against future health crises but some countries balk at giving the UN body more power.

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