Prognosis

Moderna Vaccine Produces Antibodies in Trial of Older People

  • New data from early-stage trial presented to CDC advisors
  • High antibody levels to virus seen in older adults after shots
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Moderna Inc. presented new safety data from an early trial that provides the first evidence that its Covid-19 vaccine stimulates the immune systems of older people.

In a phase 1 trial, Moderna’s coronavirus vaccine produced “consistently high levels” of neutralizing antibodies -- a key component of the body’s protective response -- in older adults, the company said in a statement. Antibody levels in people more than 55 years old were comparable to those seen in younger adults, the company said.