SARS CoV-2 IgG seropositivity post-vaccination among dental professionals: a prospective study

Autor: Irena Duś-Ilnicka, Marta Mazur, Anna Rybińska, Małgorzata Radwan-Oczko, Kamil Jurczyszyn, Anna Paradowska-Stolarz
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMC Infectious Diseases, Vol 23, Iss 1, Pp 1-9 (2023)
Druh dokumentu: article
ISSN: 1471-2334
DOI: 10.1186/s12879-023-08534-z
Popis: Abstract Background The COVID-19 pandemic has spread very rapidly around the world. Various regional and national lockdowns were imposed to control the spread. Meanwhile, vaccine development and population vaccination were the next steps for pandemic control. Workers in the dental field, both dentists and dental assistants, however, were close to the sources of aerosol generated during dental procedures and thus were the group of workers the most exposed to COVID-19 infection. The aim of our study was to monitor the immune response before and after the vaccine in a high-risk population, composed by dental professionals. Methods A clinical prospective study was carried out among dental professionals at the Academic Dental Polyclinic, Wroclaw Medical University (Wrocław, Lower Silesia region, Poland). Blood samples were collected at an interval of one year – March/April 2020, before the vaccination against COVID-19, and April 2021, after the vaccination. The analysis was performed on serum with four different methods: qualitative, semi-quantitative, and quantitative IgG count for SARS-CoV-2, and SARS-CoV-2 neutralizing antibodies. Results A total of 42 healthy adult volunteers participated in the study. The results showed a statistically significant difference (p
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