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. 2022 May 10;3:871107. doi: 10.3389/froh.2022.871107

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Copyright © 2022 Miguita, Martins-Chaves, Geddes, Mendes, Costa, Fonseca, Menezes, Souza, Queiroz, Alves, Freitas, Cruz, Moreira, Moreira, Bemquerer, Aguilar, Souza e Silva, Sampaio, Jardilino, Souza, Silva, Gomes, de Abreu, Aguiar, Souza and Gomez.

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RT-PCR tests and results for SARS-CoV-2 in dental healthcare professionals. (A) Shows the number of RT-PCR tests during study timeline per team composed by teachers, dental students and dental assistants. The number varied between teams due to the absence of some participants, either because of COVID-19 diagnostic or personal reasons. (B) Shows the number of RT-PCR positive cases by team during the 9 weeks. (C) Shows the presence and results found in work pairs of dental students. (†), shows the sequenced samples of the SARS-CoV-2 zeta variant.