Joanna Merckx

Montreal, QC, Canada

Last Updated: 09/26/2026

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Found 35 publications

Prenatal characteristics and factors contributing to congenital syphilis: A descriptive analysis of cases reported to the Canadian Paediatric Surveillance Program June 2021 through May 2023.

Prenatal characteristics and factors contributing to congenital syphilis: A descriptive analysis of cases reported to the Canadian Paediatric Surveillance Program June 2021 through May 2023.

Journal: Canadian journal of public health = Revue canadienne de sante publique

Published: March 12, 2025

Brief Report: Trends of Congenital Syphilis among Neonates in Canada 2012-2023.

Brief Report: Trends of Congenital Syphilis among Neonates in Canada 2012-2023.

Journal: Journal of pediatrics. Clinical practice

Published: February 07, 2025

Risk of transmission of HIV to infants during breast/chest feeding when mothers/birthing parents living with HIV are on antiretroviral therapy: a protocol for a rapid review.

Risk of transmission of HIV to infants during breast/chest feeding when mothers/birthing parents living with HIV are on antiretroviral therapy: a protocol for a rapid review.

Journal: BMJ open

Published: May 08, 2024

Potential biases in test-negative design studies of COVID-19 vaccine effectiveness arising from the inclusion of asymptomatic individuals.

Potential biases in test-negative design studies of COVID-19 vaccine effectiveness arising from the inclusion of asymptomatic individuals.

Journal: American journal of epidemiology

Published: July 26, 2023

Test negative design for vaccine effectiveness estimation in the context of the COVID-19 pandemic: A systematic methodology review.

Test negative design for vaccine effectiveness estimation in the context of the COVID-19 pandemic: A systematic methodology review.

Journal: Vaccine

Published: June 27, 2023

SARS-CoV-2 seroprevalence and determinants for salivary seropositivity among pupils and school staff: a prospective cohort study.

SARS-CoV-2 seroprevalence and determinants for salivary seropositivity among pupils and school staff: a prospective cohort study.

Journal: Epidemiology and infection

Published: April 24, 2023

Diagnostic accuracy of qPCR and microscopy for cutaneous leishmaniasis in rural Ecuador: A Bayesian latent class analysis.

Diagnostic accuracy of qPCR and microscopy for cutaneous leishmaniasis in rural Ecuador: A Bayesian latent class analysis.

Journal: PLoS neglected tropical diseases

Published: April 14, 2023

Neurological involvement in hospitalized children with SARS-CoV-2 infection: a multinational study.

Neurological involvement in hospitalized children with SARS-CoV-2 infection: a multinational study.

Journal: The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques

Published: January 04, 2023

SARS-CoV-2 Transmission in Belgian French-Speaking Primary Schools: An Epidemiological Pilot Study.

SARS-CoV-2 Transmission in Belgian French-Speaking Primary Schools: An Epidemiological Pilot Study.

Journal: Viruses

Published: August 31, 2022

SARS-CoV-2 infection prevention and control measures in Belgian schools between December 2020 and June 2021 and their association with seroprevalence: a cross-sectional analysis of a prospective cohort study.

SARS-CoV-2 infection prevention and control measures in Belgian schools between December 2020 and June 2021 and their association with seroprevalence: a cross-sectional analysis of a prospective cohort study.

Journal: BMC public health

Published: August 17, 2022

SARS-CoV-2 infection in technology-dependent children: a multicenter case series.

SARS-CoV-2 infection in technology-dependent children: a multicenter case series.

Journal: Infection

Published: June 30, 2022

Proactive Contact Tracing.

Proactive Contact Tracing.

Journal: PLOS digital health

Published: May 31, 2022

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Last Updated: 09/26/2026