COVID Immunity May Last Years; AstraZeneca’s Vaccine Helps Seniors

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AstraZeneca/Oxford University’s COVID vaccine produced a strong immune response in people 70 and older, data published Thursday showed. There’s no word yet on how effective the AstraZeneca vaccine is. Meanwhile, a new study from the La Jolla Institute for Immunology and Icahn School of Medicine suggests COVID immunity can last at least six months.

Reuters:
AstraZeneca COVID-19 Vaccine Shows Promise In Elderly, Trial Results By Christmas
AstraZeneca and Oxford University’s potential COVID-19 vaccine produced a strong immune response in older adults, data published on Thursday showed, with researchers expecting to release late-stage trial results by Christmas. The data, reported in part last month but published in full in The Lancet medical journal on Thursday, suggest that those aged over 70, who are at higher risk of serious illness and death from COVID-19, could build robust immunity. (Kelland, 11/19)

Bloomberg:
Oxford Study Confirms Astra Covid Shot’s Response in Elderly
The University of Oxford confirmed that the Covid-19 vaccine it’s developing with AstraZeneca Plc produced strong immune responses in older adults in an early study, with key findings from the last phase of tests expected in the coming weeks. The results, published Thursday in The Lancet medical journal, shed more light …

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