Omicron: the pandemic book’s next chapter

It’s a volume that will have no end until the world sorts out vaccine inequity.

A medical worker puting a nasal swab in a mans nose
A man undergoes a COVID-19 test at the Histopath Diagnostic Specialists pre-departure area at Sydney International Airport on November 28, 2021 in Sydney, Australia. NSW Health authorities will now send people who have been overseas in the two weeks before their arrival into three days of home quarantine, as the state works out its response to the threat posed by a new, “concerning” variant of COVID-19 named Omicron. Credit: James D. Morgan/Getty Images.