枫下家园 / 医药保健 / CNBC: WHO says vaccine booster programs will prolong Covid crisis: ‘No country can boost its way out of the pandemic’
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World Health Organization officials warned vaccine inequality could lead to the emergence of more mutant Covid variants.
Omicron is thought to have emerged from an HIV patient in South Africa where just 26% of the population is fully vaccinated,
-metaworld(metaverse);
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scientists have said. The virus mutates particularly well in people with compromised immune systems where it can live for a long time and figure out how to survive inside its human host
