Marcela Urzua

Santiago, RM, Chile

Last Updated: 09/26/2026

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Found 17 publications

Early Use of Proton Pump Inhibitors Increases Risk of Upper Respiratory Tract Infections in Children: A Birth Cohort Study.

Early Use of Proton Pump Inhibitors Increases Risk of Upper Respiratory Tract Infections in Children: A Birth Cohort Study.

Journal: Pediatric pulmonology

Published: December 08, 2025

A booster dose of an inactivated SARS-CoV-2 vaccine targeting virus variants sustains protective humoral and cellular immunity.

A booster dose of an inactivated SARS-CoV-2 vaccine targeting virus variants sustains protective humoral and cellular immunity.

Journal: BMC medicine

Published: April 23, 2025

Age and primary vaccination schedule impact humoral and cellular immunity with an inactivated SARS-CoV-2 vaccine.

Age and primary vaccination schedule impact humoral and cellular immunity with an inactivated SARS-CoV-2 vaccine.

Journal: iScience

Published: February 14, 2025

Safety, Tolerability, Bioavailability, and Biological Activity of Inhaled Interferon-α2b in Healthy Adults: The IN2COVID Phase I Randomized Trial.

Safety, Tolerability, Bioavailability, and Biological Activity of Inhaled Interferon-α2b in Healthy Adults: The IN2COVID Phase I Randomized Trial.

Journal: Clinical drug investigation

Published: May 28, 2023

Interferon β-1a ring prophylaxis to reduce household transmission of SARS-CoV-2: a cluster randomised clinical trial.

Interferon β-1a ring prophylaxis to reduce household transmission of SARS-CoV-2: a cluster randomised clinical trial.

Journal: EClinicalMedicine

Published: May 11, 2023

Humoral and cellular response induced by a second booster of an inactivated SARS-CoV-2 vaccine in adults.

Humoral and cellular response induced by a second booster of an inactivated SARS-CoV-2 vaccine in adults.

Journal: EBioMedicine

Published: December 19, 2022

A Booster Dose of CoronaVac Increases Neutralizing Antibodies and T Cells that Recognize Delta and Omicron Variants of Concern.

A Booster Dose of CoronaVac Increases Neutralizing Antibodies and T Cells that Recognize Delta and Omicron Variants of Concern.

Journal: mBio

Published: August 10, 2022

Differences in the immune response elicited by two immunization schedules with an inactivated SARS-CoV-2 vaccine in a randomized phase 3 clinical trial.

Differences in the immune response elicited by two immunization schedules with an inactivated SARS-CoV-2 vaccine in a randomized phase 3 clinical trial.

Journal: eLife

Published: June 29, 2022

Safety and Non-Inferiority Evaluation of Two Immunization Schedules with an Inactivated SARS-CoV-2 Vaccine in Adults: A Randomized Clinical Trial.

Safety and Non-Inferiority Evaluation of Two Immunization Schedules with an Inactivated SARS-CoV-2 Vaccine in Adults: A Randomized Clinical Trial.

Journal: Vaccines

Published: May 27, 2022

Interim report: Safety and immunogenicity of an inactivated vaccine against SARS-CoV-2 in healthy chilean adults in a phase 3 clinical trial.

Interim report: Safety and immunogenicity of an inactivated vaccine against SARS-CoV-2 in healthy chilean adults in a phase 3 clinical trial.

Journal: medRxiv : the preprint server for health sciences

Published: April 20, 2022

A booster dose of an inactivated SARS-CoV-2 vaccine increases neutralizing antibodies and T cells that recognize Delta and Omicron variants of concern.

A booster dose of an inactivated SARS-CoV-2 vaccine increases neutralizing antibodies and T cells that recognize Delta and Omicron variants of concern.

Journal: medRxiv : the preprint server for health sciences

Published: April 20, 2022

Recognition of Variants of Concern by Antibodies and T Cells Induced by a SARS-CoV-2 Inactivated Vaccine.

Recognition of Variants of Concern by Antibodies and T Cells Induced by a SARS-CoV-2 Inactivated Vaccine.

Journal: Frontiers in immunology

Published: July 26, 2021

Showing 1-12 of 17

Last Updated: 09/26/2026