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ZF2001

ZF2001, trade-named Zifivax or ZF-UZ-VAC-2001, is an adjuvanted protein subunit COVID-19 vaccine developed by Anhui Zhifei Longcom in collaboration with the Institute of Microbiology at the Chinese Academy of Sciences. The vaccine candidate is in Phase III trials with 29,000 participants in China, Ecuador, Malaysia, Pakistan, and Uzbekistan. ZF2001 employs technology similar to other protein-based vaccines in Phase III trials from Novavax, Vector Institute, and Medicago. ZF2001 was first approved for use in Uzbekistan and later China. Production capacity is expected to be one billion doses a year in China and 200 million in Uzbekistan. By July, 100 million doses had been administered in China and Uzbekistan.

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Article summary

ZF2001, trade-named Zifivax or ZF-UZ-VAC-2001, is an adjuvanted protein subunit COVID-19 vaccine developed by Anhui Zhifei Longcom in collaboration with the Institute of Microbiology at the Chinese Academy of Sciences. The vaccine candidate is in Phase III trials with 29,000 participants in China, Ecuador, Malaysia, Pakistan, and Uzbekistan. ZF2001 employs technology similar to other protein-based vaccines in Phase III trials from Novavax, Vector Institute, and Medicago. ZF2001 was first approved for use in Uzbekistan and later China. Production capacity is expected to be one billion doses a year in China and 200 million in Uzbekistan. By July, 100 million doses had been administered in China and Uzbekistan.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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