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Effect of Vaccine Booster, Vaccine Type, and Hybrid Immunity on Humoral and Cellular Immunity Against SARS-CoV-2 Ancestral Strain and Omicron Variant Sublineages BA.2 and BA.5 Among Older Adults with Comorbidities: An Observational Study

2022-09-14

Abstract excerpt

Background: Vaccination has substantially reduced morbidity and mortality of COVID-19 among older adults. However, how SARS-CoV-2 infection and vaccine doses or regimens affect vaccine-elicited humoral and cellular immunity remain unclear.<br><br>Methods: In this observational study, we recruited older adults aged ≥70 years with comorbidities between 12 and 27, July 2022, in Hong Kong. Demographic and clinical inf...

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Literature Corpus work
9f11e6d8-e7eb-5cab-9784-f4cf77257f13
DOI
10.2139/ssrn.4218809
Open publication

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Effect of Vaccine Booster, Vaccine Type, and Hybrid Immunity on Humoral and Cellular Immunity Against SARS-CoV-2 Ancestral Strain and Omicron Variant Sublineages BA.2 and BA.5 Among Older Adults with Comorbidities: An Observational StudyDOI 10.2139/ssrn.4218809
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