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Warning of UK cases spike if vaccinated people break COVID rules
Hancock wants UK to help vaccinate whole world
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People could become less strict at sticking to coronavirus rules as more of the population is vaccinated, scientists have warned.
It could lead to a spike in cases that outweighs the gains made by rolling out the jab, according to government advisory body SAGE.
Minutes from their meeting last month say there is a risk that changes in behaviour could offset the benefits of vaccination, particularly in the early months of vaccine rollout .
While the jab should prevent sickness, it is still unclear whether the vaccines stop people catching and spreading the infection.