Real-world serological responses to extended-interval and heterologous COVID-19 mRNA vaccination in frail, older people (UNCoVER): an interim report from a prospective observational cohort study

C Vinh, Donald; Gouin, Jean-Philippe; Cruz-Santiago, Diana; Canac-Marquis, Michelle; Bernier, Stéphane; Bobeuf, Florian; Sengupta, Avik; Brassard, Jean-Philippe; Guerra, Alyssa; Dziarmaga, Robert; Perez, Anna; Sun, Yichun; Li, Yongbiao; Roussel, Lucie; J Langelier, Mélanie; Ke, Danbing; Arnold, Corey; Whelan, Marilyn; Pelchat, Martin; Langlois, Marc-André; Zhang, Xun; D Mazer, Bruce

doi:10.1016/s2666-7568(22)00012-5

Public

Real-world serological responses to extended-interval and heterologous COVID-19 mRNA vaccination in frail, older people (UNCoVER): an interim report from a prospective observational cohort study

Published in The Lancet Healthy Longevity • Feb 22, 2022

Authors:

Donald C Vinh

Jean-Philippe Gouin

Diana Cruz-Santiago

Abstract

BACKGROUND: The use of COVID-19 vaccines has been prioritised to protect the most vulnerable-notably, older people. Because of fluctuations in vaccine availability, strategies such as delayed second dose and heterologous prime-boost have been used. However, the effectiveness of these strategies in f...

Subject

Medicine

Serology

Observational study

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