As U.S. promotes booster shots against Covid, moral questions arise over vaccine equity: 'We're planning to hand out extra life jackets to people who already have life jackets, while we're leaving other people to drown without a single life jacket.'
, it makes sense to get them boosters because they're not necessarily able to respond to the adequate dosing structure," Eleanor Murray, an epidemiologist and assistant professor at Boston University's School of Public Health, said."But the data is not quite there in terms of how much waning immunity we might be expecting in people, and it's possible the changes in vaccine efficacy may have to do with the changes in behaviors of people.
For instance, Murray said, infection rates began increasing over the summer among vaccinated Americans as mask mandates and social gathering restrictions were lifted and people began traveling and resuming more normal routines.that while boosters would"only slightly reduce" how many new people a single person infects with the delta variant, the better strategy would be to expend resources to increase the number of people who are fully vaccinated.
"When Covid-19 is uncontrolled and allowed to rip through populations, it has devastating consequences, as we saw in India," Dr. Madhukar Pai, the Canada research chair in epidemiology and global health at McGill University in Montreal, said in an email."So, when vaccines are not widely available, we will see more and more countries with uncontrolled outbreaks and new variants emerging. This will keep the Covid-19 pandemic going for years.
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