Is the second dose of vaccination useful in previously SARS-CoV-2-infected healthcare workers ?
2021
Pean de Ponfilly, G. | Pilmis, B. | El Kaibi, I. | Castreau, N. | Laplanche, S. | Le Monnier, Alban | Groupe Hospitalier Paris Saint-Joseph (hpsj) | MICrobiologie de l'ALImentation au Service de la Santé (MICALIS) ; AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)
International audience
Afficher plus [+] Moins [-]anglais. Vaccines are the most important public health measure to protect people from COVID-19 worldwide. In addition, healthcare workers account for a large number of infected people. Protecting this population from COVID-19 seems crucial to preserve healthcare systems. In a context of few doses available, serological assays could be useful to decide whether one or two doses are needed. Our results show that a first dose of BNT162b2 mRNA vaccine seems to act as a boost after SARS-CoV-2 infection in healthcare workers with a previous SARS-CoV-2 infection; a second dose might therefore not be required.
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