Rafael B. Varella

Niteroi, SC 24210130, Brazil

Last Updated: 09/26/2026

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Found 36 publications

Emergence and predominance of GII.17[P17] noroviruses in Brazil, 2023-2024.

Emergence and predominance of GII.17[P17] noroviruses in Brazil, 2023-2024.

Journal: Scientific reports

Published: December 23, 2025

Persistence of HPV in cervical smears of vaccinated WLWH support for combined molecular testing and cytology screening.

Persistence of HPV in cervical smears of vaccinated WLWH support for combined molecular testing and cytology screening.

Journal: International journal of STD & AIDS

Published: December 24, 2024

Murine astrovirus (MuAstV) infection in mouse facilities in Brazil: First South American report.

Murine astrovirus (MuAstV) infection in mouse facilities in Brazil: First South American report.

Journal: Laboratory animals

Published: September 11, 2024

Presence of Merkel cell polyomavirus DNA and large-T antigen in keratinocyte carcinomas and its correlation with immunohistochemical markers p16, p53 and ki67.

Presence of Merkel cell polyomavirus DNA and large-T antigen in keratinocyte carcinomas and its correlation with immunohistochemical markers p16, p53 and ki67.

Journal: Anais brasileiros de dermatologia

Published: October 30, 2023

Molecular detection of porcine circovirus (PCV2 and PCV3), torque teno swine virus 1 and 2 (TTSuV1 and TTSuVk2), and histopathological findings in swine organs submitted to regular slaughter in Southeast, Brazil.

Molecular detection of porcine circovirus (PCV2 and PCV3), torque teno swine virus 1 and 2 (TTSuV1 and TTSuVk2), and histopathological findings in swine organs submitted to regular slaughter in Southeast, Brazil.

Journal: Brazilian journal of veterinary medicine

Published: February 15, 2023

Merkel cell polyomavirus and its etiological relationship with skin tumors.

Merkel cell polyomavirus and its etiological relationship with skin tumors.

Journal: Anais brasileiros de dermatologia

Published: February 10, 2023

Investigation of cytokine polymorphisms on viral infections after renal transplantation exhibit association between IFN-γ +874 A > T and CMV manifestations.

Investigation of cytokine polymorphisms on viral infections after renal transplantation exhibit association between IFN-γ +874 A > T and CMV manifestations.

Journal: International journal of immunogenetics

Published: July 12, 2022

Neurological Manifestations Associated With SARS-CoV-2 in Children: A Case Series.

Neurological Manifestations Associated With SARS-CoV-2 in Children: A Case Series.

Journal: Journal of central nervous system disease

Published: May 31, 2022

Quantification of human polyomaviruses MCPyV and HPyV6 in malignant and non-malignant skin lesions.

Quantification of human polyomaviruses MCPyV and HPyV6 in malignant and non-malignant skin lesions.

Journal: Anais brasileiros de dermatologia

Published: January 17, 2022

Spontaneous regression of Merkel cell carcinoma with positive detection of Merkel cell polyomavirus by PCR and immunohistochemistry.

Spontaneous regression of Merkel cell carcinoma with positive detection of Merkel cell polyomavirus by PCR and immunohistochemistry.

Journal: Anais brasileiros de dermatologia

Published: March 05, 2021

Long-term intermittent detection of SARS CoV 2 in the upper respiratory tract: what is the meaning of it?

Long-term intermittent detection of SARS CoV 2 in the upper respiratory tract: what is the meaning of it?

Journal: Infectious diseases (London, England)

Published: October 20, 2020

Recurrence of SARS-CoV-2 infection with a more severe case after mild COVID-19, reversion of RT-qPCR for positive and late antibody response: Case report.

Recurrence of SARS-CoV-2 infection with a more severe case after mild COVID-19, reversion of RT-qPCR for positive and late antibody response: Case report.

Journal: Journal of medical virology

Published: July 31, 2020

Showing 1-12 of 36

Last Updated: 09/26/2026