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The second Global COVID-19 Summit aimed to refocus the world's attention on the pandemic. Here's what governments and members of the private and public sector pledged to do.
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The omicron variant has added a lot of uncertainty to the trajectory of the pandemic. Dr. Hans Kluge, the WHO regional director for Europe, has what he calls five pandemic stabilizers that could help.
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For low- and middle-income countries, just obtaining doses has been a challenge. And now concerns are being raised about the effectiveness of the more affordable AstraZeneca option.