Fernando A. Machado

Belem, PA, Brazil

Last Updated: 09/26/2026

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Found 78 publications

High prevalence of HPV and high levels of oxidative stress in asymptomatic mature women in the Amazon: a pilot study.

High prevalence of HPV and high levels of oxidative stress in asymptomatic mature women in the Amazon: a pilot study.

Journal: Diagnostic microbiology and infectious disease

Published: July 07, 2026

Prevalence of Human T-Lymphotropic Viruses 1 and 2 in Individuals Infected with Hepatitis C Virus in Belém do Pará, Brazil.

Prevalence of Human T-Lymphotropic Viruses 1 and 2 in Individuals Infected with Hepatitis C Virus in Belém do Pará, Brazil.

Journal: Tropical medicine and infectious disease

Published: March 02, 2026

Prevalence and First Detection of HTLV-2 in a Sexual Minority Cisgender Woman in Belém, Pará, Amazon Region of Brazil.

Prevalence and First Detection of HTLV-2 in a Sexual Minority Cisgender Woman in Belém, Pará, Amazon Region of Brazil.

Journal: AIDS research and human retroviruses

Published: February 07, 2026

Genetic Characterization of Hepatitis C Virus Among People Who Use Crack Cocaine: A Study Conducted on the Brazilian Amazon Coast.

Genetic Characterization of Hepatitis C Virus Among People Who Use Crack Cocaine: A Study Conducted on the Brazilian Amazon Coast.

Journal: Pathogens (Basel, Switzerland)

Published: November 18, 2025

Socioeconomic, Behavioural, and Protective Factors Influences on the Combined Prevention of HIV Infection Among Brazilian Amazon Men Who Have Sex with Men: A Cross-Sectional Study.

Socioeconomic, Behavioural, and Protective Factors Influences on the Combined Prevention of HIV Infection Among Brazilian Amazon Men Who Have Sex with Men: A Cross-Sectional Study.

Journal: Tropical medicine and infectious disease

Published: July 14, 2025

Female Sex Workers in the Amazon Region of Brazil Are at High Risk of Chlamydia trachomatis Infection: A Retrospective Study.

Female Sex Workers in the Amazon Region of Brazil Are at High Risk of Chlamydia trachomatis Infection: A Retrospective Study.

Journal: Microorganisms

Published: March 05, 2025

Efficacy of COVID-19 Vaccination in People Living with HIV/AIDS in a Northern Brazil: Cross-Sectional Study.

Efficacy of COVID-19 Vaccination in People Living with HIV/AIDS in a Northern Brazil: Cross-Sectional Study.

Journal: Vaccines

Published: November 04, 2024

Clinical evaluation of pain perception and surgical wound healing after lower labial frenectomy with diode laser technique: pilot study.

Clinical evaluation of pain perception and surgical wound healing after lower labial frenectomy with diode laser technique: pilot study.

Journal: Lasers in medical science

Published: October 13, 2024

High Prevalence of Syphilis among Young Pregnant Women in the Brazilian Amazon: A Cross-Sectional Study Based on Clinical Records in a Public Health Reference Unit in the City of Belém.

High Prevalence of Syphilis among Young Pregnant Women in the Brazilian Amazon: A Cross-Sectional Study Based on Clinical Records in a Public Health Reference Unit in the City of Belém.

Journal: Pathogens (Basel, Switzerland)

Published: June 17, 2024

Exposure to Treponema pallidum among Female Sex Workers: A Retrospective Study Conducted in the State of Pará, Brazilian Amazon.

Exposure to Treponema pallidum among Female Sex Workers: A Retrospective Study Conducted in the State of Pará, Brazilian Amazon.

Journal: Pathogens (Basel, Switzerland)

Published: May 13, 2024

Clinical-Epidemiological Profile of COVID-19 Patients Admitted during Three Waves of the Pandemic in a Tertiary Care Center, in Belém, Pará, Amazon Region of Brazil.

Clinical-Epidemiological Profile of COVID-19 Patients Admitted during Three Waves of the Pandemic in a Tertiary Care Center, in Belém, Pará, Amazon Region of Brazil.

Journal: Viruses

Published: May 02, 2024

Clinical characteristics of pregnant women with COVID-19 and infection outcomes in one of the largest cities in the Brazilian Amazon.

Clinical characteristics of pregnant women with COVID-19 and infection outcomes in one of the largest cities in the Brazilian Amazon.

Journal: BMC infectious diseases

Published: March 29, 2024

Showing 1-12 of 78

Last Updated: 09/26/2026