Allex J. Da Fonseca
Boa Vista, RR, Brazil
Last Updated: 09/26/2026
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Found 11 publications
Long-term efficacy and safety of the single-dose tetravalent Butantan dengue vaccine.
Journal: Nature medicine
Published: August 12, 2025
Implementing a multi-centric cohort study during the SARS-CoV-2 pandemic in a resource-constrained setting: challenges, adaptive solutions, and lessons from Brazil.
Journal: Archives of public health = Archives belges de sante publique
Published: July 09, 2025
Dengue virus genetic diversity in unvaccinated and vaccinated dengue-infected individuals: an observational analysis of the Butantan-DV phase 3 trial in Brazil.
Journal: Lancet regional health. Americas
Published: June 26, 2025
Safety and immunogenicity of a live-attenuated chikungunya virus vaccine in adolescents: final results from a 12-month, double-blind, randomised, placebo-controlled, phase 3 trial in endemic areas of Brazil.
Journal: The Lancet. Infectious diseases
Published: June 02, 2025
Safety and immunogenicity of a live-attenuated chikungunya virus vaccine in endemic areas of Brazil: interim results of a double-blind, randomised, placebo-controlled phase 3 trial in adolescents.
Journal: The Lancet. Infectious diseases
Published: May 16, 2024
Efficacy and safety of Butantan-DV in participants aged 2-59 years through an extended follow-up: results from a double-blind, randomised, placebo-controlled, phase 3, multicentre trial in Brazil.
Journal: The Lancet. Infectious diseases
Published: March 20, 2024
Live, Attenuated, Tetravalent Butantan-Dengue Vaccine in Children and Adults.
Journal: The New England journal of medicine
Published: January 31, 2024
Characteristics of patients diagnosed with cervical cancer in Brazil: preliminary results of the prospective cohort EVITA study (EVA001/LACOG 0215).
Journal: International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
Published: July 26, 2021
Phase 2 randomized study on chloroquine, hydroxychloroquine or ivermectin in hospitalized patients with severe manifestations of SARS-CoV-2 infection.
Journal: Pathogens and global health
Published: March 08, 2021
Comparison of three human papillomavirus DNA detection methods: Next generation sequencing, multiplex-PCR and nested-PCR followed by Sanger based sequencing.
Journal: Journal of medical virology
Published: October 20, 2015
Validity of cervicovaginal cytology in a Brazilian State with high incidence rate of cervical cancer
Validity of cervicovaginal cytology in a Brazilian State with high incidence rate of cervical cancer
Journal: Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia
Published: June 17, 2014
Showing 1-11 of 11
Last Updated: 09/26/2026