Anna S. Nishiya

Sao Paulo, SP, Brazil

Last Updated: 09/26/2026

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Found 30 publications

Absence of Detectable Anti-HDV Antibodies Among HBsAg-Positive Blood Donors, HIV-Infected Individuals and Patients With Chronic Hepatitis B in Sao Paulo, Brazil: Evaluation Using a Rapid Lateral Flow Assay.

Absence of Detectable Anti-HDV Antibodies Among HBsAg-Positive Blood Donors, HIV-Infected Individuals and Patients With Chronic Hepatitis B in Sao Paulo, Brazil: Evaluation Using a Rapid Lateral Flow Assay.

Journal: Journal of viral hepatitis

Published: April 15, 2026

Assessment of Leishmania exposure in blood donors from a non-endemic urban area: A study in São Paulo.

Assessment of Leishmania exposure in blood donors from a non-endemic urban area: A study in São Paulo.

Journal: Vox sanguinis

Published: August 22, 2025

Assessing the effect of policy change on transfusion safety in Brazil: A three-and-a-half-year study after lifting the deferral for men who have sex with men.

Assessing the effect of policy change on transfusion safety in Brazil: A three-and-a-half-year study after lifting the deferral for men who have sex with men.

Journal: Vox sanguinis

Published: July 01, 2025

Zika virus surveillance post-epidemic in blood donors from São Paulo, Brazil 2016-2020.

Zika virus surveillance post-epidemic in blood donors from São Paulo, Brazil 2016-2020.

Journal: Transfusion medicine (Oxford, England)

Published: May 23, 2024

Genetic diversity in the partial sequence of the HIV-1 gag gene among people living with multidrug-resistant HIV-1 infection.

Genetic diversity in the partial sequence of the HIV-1 gag gene among people living with multidrug-resistant HIV-1 infection.

Journal: Revista do Instituto de Medicina Tropical de Sao Paulo

Published: December 05, 2023

Detection of unreported usage of the antiretroviral drug lamivudine in two blood donors.

Detection of unreported usage of the antiretroviral drug lamivudine in two blood donors.

Journal: Transfusion

Published: May 16, 2023

Evaluation of Dengue, Zika virus, and Chikungunya virus transmission by blood components in recipients of haematopoietic stem cell transplantation.

Evaluation of Dengue, Zika virus, and Chikungunya virus transmission by blood components in recipients of haematopoietic stem cell transplantation.

Journal: Transfusion medicine (Oxford, England)

Published: December 10, 2022

Transfusion-Acquired HIV: History, Evolution of Screening Tests, and Current Challenges of Unreported Antiretroviral Drug Use in Brazil.

Transfusion-Acquired HIV: History, Evolution of Screening Tests, and Current Challenges of Unreported Antiretroviral Drug Use in Brazil.

Journal: Viruses

Published: August 30, 2022

Improved detection of hepatitis C virus-positive blood donors and determination of infection status.

Improved detection of hepatitis C virus-positive blood donors and determination of infection status.

Journal: Transfusion medicine (Oxford, England)

Published: April 11, 2022

Influence of unreported HIV prophylaxis on the kinetics of post-blood donation HIV seroconversion.

Influence of unreported HIV prophylaxis on the kinetics of post-blood donation HIV seroconversion.

Journal: Transfusion

Published: July 28, 2021

Occult and active hepatitis B virus detection in donated blood in São Paulo, Brazil.

Occult and active hepatitis B virus detection in donated blood in São Paulo, Brazil.

Journal: Transfusion

Published: December 10, 2020

Detection and analysis of blood donors seropositive for syphilis.

Detection and analysis of blood donors seropositive for syphilis.

Journal: Transfusion medicine (Oxford, England)

Published: October 13, 2020

Showing 1-12 of 30

Last Updated: 09/26/2026