Protection offered by Covid-19 vaccines against infection with the novel coronavirus is “short-lived,” according to a new study that says up-to-date booster doses are essential for “dependable” immune defense against the virus.
The findings, published last week in the journal PNAS, provide additional evidence that booster vaccination is a crucial approach towards the curtailment of breakthrough infections, in which a person becomes infected despite being vaccinated, as well as from reinfection with the Covid-19 virus.
