LONDON -- The emergence of the omicron variant and the efforts to keep it at bay are reminders of what scientists have warned for months: The coronavirus will thrive as long as vast parts of the world lack vaccines.
The new variant "has fulfilled, in a precise way, the predictions of the scientists who warned that the elevated transmission of the virus in areas with limited access to vaccine would speed its evolution," said Dr. Richard Hatchett, chief executive of CEPI, one of the groups behind the United Nations-backed Covax shot-sharing initiative.
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The hoarding of covid-19 shots by rich countries -- creating virtual vaccine deserts in many poorer ones -- doesn't just mean risk for the parts of the world seeing shortages; it threatens the entire globe, scientists say.
That's because the more the disease spreads among unvaccinated populations, the more chances it has to mutate and potentially become more dangerous, prolonging the pandemic for everyone.
"The virus is a ruthless opportunist, and the inequity that has characterized the global response has now come home to roost," Hatchett said.
"Many of us might think we are done with covid-19. It's not done with us," warned Tedros Adhanom Ghebreyesus, director-general of the World Health Organization.
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Perhaps nowhere is the inequality more evident than in Africa, where less than 7% of the population is vaccinated.
South African scientists alerted the WHO to the omicron variant last week, though it may never be clear where it originated. Researchers are now rushing to determine whether it is more infectious or able to evade the current vaccines.
MISSED GOAL
Covax was supposed to help the world avoid vaccine inequality, but instead the initiative is woefully short of shots and has already abandoned its initial goal of 2 billion doses.
Even to reach its scaled-back target of distributing 1.4 billion doses by the end of 2021, it must ship more than 25 million doses every day. It has averaged just over 4 million a day since the beginning of October, with the number some days dipping below 1 million, according to an Associated Press analysis of the shipments.
Shipments in recent days have ramped up, but nowhere near the amount needed to meet the goal.
Meanwhile, richer nations often have a glut of shots, and many are now offering boosters -- something the WHO has discouraged because every booster is essentially a dose that is not going to someone who hasn't gotten even a first shot. Despite the U.N. health agency's appeal to countries to declare a moratorium on booster shots until the end of the year, more than 60 countries are now administering them.
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In the United States, the Centers for Disease Control and Prevention on Monday strengthened its booster shot recommendation to include all adults as the new variant spreads.
"What it highlights are the continuing and fundamental risks to everyone associated with not seriously addressing the inequalities still at play globally in the fight against disease and poor health," said Dr. Osman Dar, director of the One Health Project at the Chatham House think tank.
Anna Marriott, health policy manager for Oxfam, said Covax was limited from the outset after being pushed to the back of the line by rich countries.
"The Covax team may be delivering as fast as they can, but they can't deliver vaccines they haven't got," Marriott said.
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Just 13% of vaccine doses that Covax contracted for and 12% of promised donations have been delivered, according to calculations by the International Monetary Fund from mid-November. About a third of the vaccine doses dispensed by Covax have been donations, according to the vaccine alliance known as Gavi, and the initiative is now partly a clearinghouse for those donated doses, the very situation it was set up to avoid.
Last week, Covax sent out a news release praising a European Union pledge to ship 100 million vaccine doses to Africa by the end of the year -- but only 5% of that amount was actually on planes.
Asked about the logistical challenges of distributing the other 94 million doses in only six weeks, Aurelia Nguyen, managing director of Covax, maintained that arrangements "are in place to move a vast number of doses between now and the end of the year."
In a statement, she said the issue was ensuring that "conditions are right on the ground for doses to be administered."
WASTED DOSES
In minutes released ahead of an executive meeting this week, Gavi fretted that the perception that rich countries are dumping older or lesser vaccine doses on poor countries could undermine the whole project. In a joint statement Monday with the WHO, the African Union and others, it admonished that "the majority of the donations to date have been ad hoc, provided with little notice and short shelf lives."
Anger over dose-dumping is already very real. In Malawi and South Sudan, tens of thousands of out-of-date doses were destroyed.
But it's not just getting the vaccines into poorer countries that's a problem, according to some experts. Covax is "falling short on getting vaccines from the [airport] tarmac into people's arms," said Dr. Angela Wakhweya, senior director for health equity and rights at CARE.
Authorities in Congo, for instance, returned their entire Covax shipment this summer when they realized they would not be able to administer the doses before they expired.
In a risk management report on Covax, Gavi warned that "poor absorption" of vaccines by developing countries could lead to "wastage."
One problem is logistics -- just getting the doses in the right country at the right time. But just as important is the ability of often-underfunded national health systems to distribute the shots where they're most needed, along with syringes and other necessary gear. A third issue is persuading sometimes hesitant people to get vaccinated.
Ghebreyesus, however, has disputed that distribution is a problem, saying the only obstacle to immunization in poor countries is supply.
Most Covax doses distributed so far have been AstraZeneca's vaccine, a shot that has yet to be authorized in the U.S. and whose botched rollout in Europe helped fuel anti-vaccine sentiment when it was linked to rare blood clots. The vaccines mostly used in the U.S. and much of Europe -- made by Pfizer-BioNTech and Moderna -- have been available only in tiny amounts via Covax.
The U.S., which blocked vaccine sales overseas and exports of key ingredients for months, has donated 275 million doses in all, more than any other country but still less than a third of what the Biden administration pledged. The EU, which in general has allowed vaccine doses manufactured in the bloc to be sold anywhere in the world, has delivered about a third of its 400 million promised doses.
Efforts to ramp up global production beyond a select group of manufacturers have stalled, with many activists and scientists blaming pharmaceutical companies' opposition to waiving intellectual property rights for the highly lucrative vaccines.
Given that the pandemic has so far not devastated Africa as many initially feared, some scientists on the continent are now discussing whether to withdraw their vaccine requests.
"I think what Africa could do to really shame the world is to stop asking for vaccines," said Christian Happi, a Nigerian virologist who sat on the scientific advisory board of CEPI. "The vaccines have not arrived, and anyways it may turn out that we don't need them as much as the West."
Information for this article was contributed by Zeke Miller, Jamey Keaten, Raf Casert and Mari Yamaguchi of The Associated Press.
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