Stability of hybrid versus vaccine immunity against BA. 5 infection over 8 months

J Malato, RM Ribeiro, E Fernandes… - The Lancet Infectious …, 2023 - thelancet.com
(A) Incidence of documented SARS-CoV-2 infection overlaid with the period of dominance of
the BA. 1 and BA. 2 variants, Jan 1–Apr 14, 2022, divided into 15-day sub-intervals (shades …

Do we really need omicron spike-based updated COVID-19 vaccines? Evidence and pipeline

D Focosi, F Maggi - Viruses, 2022 - mdpi.com
The wild-type SARS-CoV-2 Spike-based vaccines authorized so far have reduced COVID-
19 severity, but periodic boosts are required to counteract the decline in immunity. An …

Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting

H Chemaitelly, HH Ayoub, P Tang, P Coyle… - medRxiv, 2022 - medrxiv.org
Background Long-term effectiveness of COVID-19 mRNA boosters in populations with
different prior infection histories and clinical vulnerability profiles is inadequately …

Effect of BNT162b2 antigen dosage on protection against SARS-CoV-2 omicron infection

H Chemaitelly, HH Ayoub, P Coyle, P Tang… - medRxiv, 2022 - medrxiv.org
Abstract Background Coronavirus Disease 2019 (COVID-19) vaccine antigen dosage may
affect protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) …