Abstract
The risk of a severe course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in adults with Down syndrome is increased, resulting in an up to 10-fold increase in mortality, in particular in those >40 years of age. After primary SARS-CoV-2 vaccination, the higher risks remain. In this prospective observational cohort study, SARS-CoV-2 spike S1-specific antibody responses after routine SARS-CoV-2 vaccination (BNT162b2, messenger RNA [mRNA]-1273, or ChAdOx1) in adults with Down syndrome and healthy controls were compared. Adults with Down syndrome showed lower antibody concentrations after 2 mRNA vaccinations or after 2 ChAdOx1 vaccinations. After 2 mRNA vaccinations, lower antibody concentrations were seen with increasing age. Clinical Trials Registration: NCT05145348.
| Original language | English |
|---|---|
| Pages (from-to) | 673-677 |
| Number of pages | 5 |
| Journal | The Journal of infectious diseases |
| Volume | 226 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 15 Aug 2022 |
| Externally published | Yes |
Keywords
- antibody response
- COVID-19 vaccination
- Down syndrome
- SARS-CoV-2
- Prospective Studies
- Humans
- Vaccination
- Antibodies, Viral
- Down Syndrome
- BNT162 Vaccine
- COVID-19 Vaccines
- Antibody Formation
- Adult
- COVID-19/prevention & control
- RNA, Messenger
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