Robert J. Ulrich

Infectious Disease

462 1st Ave
New York, NY 10016

Last Updated: 09/26/2026

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Found 18 publications

Hospital transmission of methicillin-resistant Staphylococcus aureus driven by addictive mupA plasmids.

Hospital transmission of methicillin-resistant Staphylococcus aureus driven by addictive mupA plasmids.

Journal: medRxiv : the preprint server for health sciences

Published: August 20, 2026

Body Mass Index and Hemoglobin A1c Correlate with Clinical Needs After COVID-19 Vaccination in the Veterans Affairs System.

Body Mass Index and Hemoglobin A1c Correlate with Clinical Needs After COVID-19 Vaccination in the Veterans Affairs System.

Journal: Journal of clinical medicine

Published: September 30, 2025

Microbiota and metabolic adaptation shape Staphylococcus aureus virulence and antimicrobial resistance during intestinal colonization.

Microbiota and metabolic adaptation shape Staphylococcus aureus virulence and antimicrobial resistance during intestinal colonization.

Journal: bioRxiv : the preprint server for biology

Published: May 20, 2024

Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress.

Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress.

Journal: eLife

Published: April 30, 2024

Prophage-encoded methyltransferase drives adaptation of community-acquired methicillin-resistant Staphylococcus aureus.

Prophage-encoded methyltransferase drives adaptation of community-acquired methicillin-resistant Staphylococcus aureus.

Journal: bioRxiv : the preprint server for biology

Published: April 25, 2024

Prophage-encoded methyltransferase drives adaptation of community-acquired methicillin-resistant Staphylococcus aureus.

Prophage-encoded methyltransferase drives adaptation of community-acquired methicillin-resistant Staphylococcus aureus.

Journal: The Journal of clinical investigation

Published: April 16, 2024

Author Correction: Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials.

Author Correction: Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials.

Journal: Nature communications

Published: February 05, 2024

Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress.

Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress.

Journal: bioRxiv : the preprint server for biology

Published: June 19, 2023

mRNA COVID-19 vaccine elicits potent adaptive immune response without the acute inflammation of SARS-CoV-2 infection.

mRNA COVID-19 vaccine elicits potent adaptive immune response without the acute inflammation of SARS-CoV-2 infection.

Journal: iScience

Published: March 21, 2022

Hydroxychloroquine/chloroquine for the treatment of hospitalized patients with COVID-19: An individual participant data meta-analysis.

Hydroxychloroquine/chloroquine for the treatment of hospitalized patients with COVID-19: An individual participant data meta-analysis.

Journal: PloS one

Published: March 08, 2022

Hydroxychloroquine/chloroquine for the treatment of hospitalized patients with COVID-19: An individual participant data meta-analysis.

Hydroxychloroquine/chloroquine for the treatment of hospitalized patients with COVID-19: An individual participant data meta-analysis.

Journal: medRxiv : the preprint server for health sciences

Published: January 19, 2022

Author Correction: Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials.

Author Correction: Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials.

Journal: Nature communications

Published: May 15, 2021

Showing 1-12 of 18

Last Updated: 09/26/2026