The COVID-19 vaccine being developed by the University of Oxford produces an immune response in both elderly and young people and adverse reactions were lower among the elderly, British drug maker AstraZeneca Plc AZN.L said on Monday.
A vaccine that works is seen as a game-changer in the battle against the novel coronavirus, which has killed more than 1.15 million people, hammered the global economy and shuttered normal life across the world.
The Financial Times reported that the vaccine, being developed by Oxford and AstraZeneca, triggers protective antibodies and T-cells in older age groups. It cited two people familiar with the finding.
Immunogenicity blood tests carried out on a subset of older participants echo data released in July which showed the vaccine generated “robust immune responses” in a group of healthy adults aged between 18 and 55, the newspaper reported.
“It is encouraging to see immunogenicity responses were similar between older and younger adults and that reactogenicity was lower in older adults, where the COVID-19 disease severity is higher,” an AstraZeneca spokesman told Reuters.
“The results further build the body of evidence for the safety and immunogenicity of AZD1222,” the spokesman said.
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