Alejandro Calderon

San Jose, SJ, Costa Rica

Last Updated: 09/26/2026

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Found 20 publications

Hybrid immunity provides stronger protection against SARS-CoV-2 infection than vaccination alone: Evidence from a population-based active monitoring study.

Hybrid immunity provides stronger protection against SARS-CoV-2 infection than vaccination alone: Evidence from a population-based active monitoring study.

Journal: Vaccine

Published: January 09, 2026

Clinical Validation of Four Point-of-Care High-Risk HPV Assays, Including Two Reduced-Valency Assays, for Cervical Cancer Screening in Low-Resource Settings.

Clinical Validation of Four Point-of-Care High-Risk HPV Assays, Including Two Reduced-Valency Assays, for Cervical Cancer Screening in Low-Resource Settings.

Journal: International journal of cancer

Published: January 06, 2026

Cervical cancer screening in vaccinated populations: challenges and implications for low- and middle-income countries.

Cervical cancer screening in vaccinated populations: challenges and implications for low- and middle-income countries.

Journal: Journal of the National Cancer Institute. Monographs

Published: December 15, 2025

Resilience of Biobanks in Latin America During the COVID-19 Pandemic: Lessons from Costa Rica.

Resilience of Biobanks in Latin America During the COVID-19 Pandemic: Lessons from Costa Rica.

Journal: Biopreservation and biobanking

Published: September 02, 2025

SARS-CoV-2 antibody and neutralization dynamics among persons with natural- and vaccine-induced exposures.

SARS-CoV-2 antibody and neutralization dynamics among persons with natural- and vaccine-induced exposures.

Journal: PloS one

Published: April 24, 2025

Short-term repeat HPV testing for triaging HPV-positive women in cervical cancer screening.

Short-term repeat HPV testing for triaging HPV-positive women in cervical cancer screening.

Journal: British journal of cancer

Published: January 15, 2025

Descriptive epidemiology of gastric cancer in Costa Rica from 1990 to 2022 and projection of deaths to 2050: a population-based study.

Descriptive epidemiology of gastric cancer in Costa Rica from 1990 to 2022 and projection of deaths to 2050: a population-based study.

Journal: Lancet regional health. Americas

Published: December 16, 2024

Trends in psychological distress during and after the COVID-19 pandemic: Findings from a population-based Costa Rican cohort study.

Trends in psychological distress during and after the COVID-19 pandemic: Findings from a population-based Costa Rican cohort study.

Journal: Public health

Published: August 09, 2024

Impact of knowledge of human papillomavirus positivity on cervical cytology performance in Latin America.

Impact of knowledge of human papillomavirus positivity on cervical cytology performance in Latin America.

Journal: Journal of the National Cancer Institute

Published: June 28, 2024

Time course and determinants of the antibody response to SARS-CoV-2 in Costa Rica: the RESPIRA study.

Time course and determinants of the antibody response to SARS-CoV-2 in Costa Rica: the RESPIRA study.

Journal: BMC infectious diseases

Published: June 12, 2024

A surveillance study of cancer incidence and mortality among young adults in Costa Rica.

A surveillance study of cancer incidence and mortality among young adults in Costa Rica.

Journal: Lancet regional health. Americas

Published: January 03, 2024

Cohort profile: evaluation of immune response and household transmission of SARS-CoV-2 in Costa Rica: the RESPIRA study.

Cohort profile: evaluation of immune response and household transmission of SARS-CoV-2 in Costa Rica: the RESPIRA study.

Journal: BMJ open

Published: December 09, 2023

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Last Updated: 09/26/2026