An extended interval between vaccination and infection enhances hybrid immunity against SARS-CoV-2 variants
As the COVID-19 pandemic continues, long-term immunity against SARS-CoV-2 will be important globally. Official weekly cases have not dropped below 2 million since September of 2020, and continued emergence of novel variants has created a moving target for our immune systems and public health alike. The temporal aspects of COVID-19 immunity, particularly from repeated vaccination and infection, are less well understood than short-term vaccine efficacy. In this study, we explored the effect of combined vaccination and infection, also known as hybrid immunity, and the timing thereof on the quality and quantity of antibodies elicited in a cohort of 96 health care workers. We found robust neutralizing antibody responses among those with hybrid immunity; these hybrid immune responses neutralized all variants, including BA.2. Neutralizing titers were significantly improved for those with longer vaccine-infection intervals of up to 400 days compared with those with shorter intervals. These results indicate that anti-SARS-CoV-2 antibody responses undergo continual maturation following primary exposure by either vaccination or infection for at least 400 days after last antigen exposure. We show that neutralizing antibody responses improved upon secondary boosting, with greater potency seen after extended intervals. Our findings may also extend to booster vaccine doses, a critical consideration in future vaccine campaign strategies.
| Errataetall: | |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:8 |
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| Enthalten in: |
JCI insight - 8(2023), 5 vom: 08. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bates, Timothy A [VerfasserIn] |
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| Links: |
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| Themen: |
Adaptive immunity |
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| Anmerkungen: |
Date Completed 09.03.2023 Date Revised 17.04.2024 published: Electronic UpdateOf: medRxiv. 2023 Jan 04;:. - PMID 36656773 Citation Status MEDLINE |
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| doi: |
10.1172/jci.insight.165265 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM352117117 |
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| 245 | 1 | 3 | |a An extended interval between vaccination and infection enhances hybrid immunity against SARS-CoV-2 variants |
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| 500 | |a Date Revised 17.04.2024 | ||
| 500 | |a published: Electronic | ||
| 500 | |a UpdateOf: medRxiv. 2023 Jan 04;:. - PMID 36656773 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a As the COVID-19 pandemic continues, long-term immunity against SARS-CoV-2 will be important globally. Official weekly cases have not dropped below 2 million since September of 2020, and continued emergence of novel variants has created a moving target for our immune systems and public health alike. The temporal aspects of COVID-19 immunity, particularly from repeated vaccination and infection, are less well understood than short-term vaccine efficacy. In this study, we explored the effect of combined vaccination and infection, also known as hybrid immunity, and the timing thereof on the quality and quantity of antibodies elicited in a cohort of 96 health care workers. We found robust neutralizing antibody responses among those with hybrid immunity; these hybrid immune responses neutralized all variants, including BA.2. Neutralizing titers were significantly improved for those with longer vaccine-infection intervals of up to 400 days compared with those with shorter intervals. These results indicate that anti-SARS-CoV-2 antibody responses undergo continual maturation following primary exposure by either vaccination or infection for at least 400 days after last antigen exposure. We show that neutralizing antibody responses improved upon secondary boosting, with greater potency seen after extended intervals. Our findings may also extend to booster vaccine doses, a critical consideration in future vaccine campaign strategies | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Adaptive immunity | |
| 650 | 4 | |a COVID-19 | |
| 650 | 4 | |a Immunoglobulins | |
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| 700 | 1 | |a Leier, Hans C |e verfasserin |4 aut | |
| 700 | 1 | |a McBride, Savannah K |e verfasserin |4 aut | |
| 700 | 1 | |a Schoen, Devin |e verfasserin |4 aut | |
| 700 | 1 | |a Lyski, Zoe L |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, David X |e verfasserin |4 aut | |
| 700 | 1 | |a Messer, William B |e verfasserin |4 aut | |
| 700 | 1 | |a Curlin, Marcel E |e verfasserin |4 aut | |
| 700 | 1 | |a Tafesse, Fikadu G |e verfasserin |4 aut | |
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