With immunity waning and the Omicron variant looming, many scientists are saying the definition of 'fully vaccinated' should include a booster shot.
first real-world evidence
Los Angeles County has provided further evidence of boosters’ impact. For the seven-day period that ended Nov. 29, there were 43 new infections for every 100,000 residents who who were fully vaccinated but not boosted. But among those who did get a booster, the rate of new infections was just 7 per 100,000.
Some experts remain skeptical that taking that step would make sense. They ask whether it is ethical and productive to offer extra doses to those least likely to become very ill when many of the world’s poorest countries have barely begun vaccinating their populations.In people who got a booster shot, levels of neutralizing antibodies exceeded the peak that followed two doses of COVID-19 vaccine.
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