The COVID-19 vaccine being developed by the University of Oxford produces a similar immune response in both older and younger adults, and adverse responses were lower among the elderly, British drugmaker AstraZeneca Plc said

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.

“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,”

The results further build the body of evidence for the safety and immunogenicity of AZD1222,” the spokesman said, referring to the technical name of the vaccine.

The news that older people get an immune response from the vaccine is positive because the immune system weakens with age and older people are those most at risk of dying from the virus.
The Financial Times reported earlier that the vaccine, being developed by Oxford and AstraZeneca, triggers protective antibodies and T-cells in older age groups – among those most at risk from the virus.

The Oxford/AstraZeneca vaccine is expected to be one of the first from big pharma to secure regulatory approval, along with Pfizer and BioNTech’s candidate.

If it works, a vaccine would allow the world to return to some measure of normality after the tumult of the pandemic.

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